All airlines flying from Seattle-Tacoma (SEA) to Philadelphia (PHL).

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FLIGHT SCHEDULE
Direct Flights:
Daily 21:15 Seattle-Tacoma (SEA) 05:23 Philadelphia (PHL) D Alaska Airlines AS 371 Non-stop Boeing 737 (73J) 5:08 Effective 2026-03-19 through 2026-05-12 The flight arrives 1 day after departure.
Mon-Sat 21:29 Seattle-Tacoma (SEA) 05:37 Philadelphia (PHL) D Alaska Airlines AS 371 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Valid until 2026-01-05 The flight arrives 1 day after departure.
Sun 21:29 Seattle-Tacoma (SEA) 05:37 Philadelphia (PHL) D Alaska Airlines AS 371 Non-stop Boeing 737 (73J) 5:08 Operates only on 2026-01-04 The flight arrives 1 day after departure.
Wed 09:15 Seattle-Tacoma (SEA) 17:31 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:16 Operates only on 2026-03-18
Daily 09:15 Seattle-Tacoma (SEA) 17:28 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:13 Effective 2026-03-19 through 2026-05-12
Daily 09:16 Seattle-Tacoma (SEA) 17:20 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-02-12 through 2026-03-07
Mon-Thu,Sun 09:18 Seattle-Tacoma (SEA) 17:22 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-03-08 through 2026-03-12
Fri-Sun 09:18 Seattle-Tacoma (SEA) 17:22 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:04 Effective 2026-03-13 through 2026-03-15
Mon,Tue 09:18 Seattle-Tacoma (SEA) 17:22 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2026-03-16 through 2026-03-17
Mon,Thu,Fri,Sun 09:34 Seattle-Tacoma (SEA) 17:44 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:10 Valid until 2026-01-05
Tue,Wed,Sat 09:34 Seattle-Tacoma (SEA) 17:44 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:10 Valid until 2026-01-06
Daily 09:40 Seattle-Tacoma (SEA) 17:54 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:14 Effective 2026-05-13 through 2026-06-09
Daily 09:42 Seattle-Tacoma (SEA) 17:52 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:10 Effective from 2026-06-10
Tue,Wed,Sat 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2026-01-07 through 2026-01-20
Mon,Thu,Fri,Sun 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:09 Effective 2026-01-08 through 2026-01-19
Wed,Fri,Sun 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:09 Effective 2026-01-21 through 2026-01-25
Mon-Thu,Sat 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2026-01-22 through 2026-01-28
Mon,Thu,Fri 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:09 Effective 2026-01-29 through 2026-02-06
Tue,Sat,Sun 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2026-01-31 through 2026-02-07
Wed 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737-800 (73H) 5:09 Operates only on 2026-02-04
Sun 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 (73J) 5:09 Operates only on 2026-02-08
Mon-Wed 09:54 Seattle-Tacoma (SEA) 18:03 Philadelphia (PHL) D Alaska Airlines AS 442 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2026-02-09 through 2026-02-11
Daily 21:15 Seattle-Tacoma (SEA) 05:27 Philadelphia (PHL) D Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:12 Effective from 2026-06-10 The flight arrives 1 day after departure.
Daily 21:25 Seattle-Tacoma (SEA) 05:40 Philadelphia (PHL) D Alaska Airlines AS 444 Non-stop Boeing 737 (73J) 5:15 Effective 2026-05-13 through 2026-06-09 The flight arrives 1 day after departure.
Daily 23:25 Seattle-Tacoma (SEA) 07:30 Philadelphia (PHL) American Airlines AA 1095 Non-stop Airbus A321 (321) 5:05 Effective 2026-09-09 through 2026-10-04 The flight arrives 1 day after departure.
Daily 21:50 Seattle-Tacoma (SEA) 06:05 Philadelphia (PHL) D Delta Air Lines DL 1114 Non-stop Airbus A321neo (32Q) 5:15 Effective 2026-05-07 through 2026-10-05 The flight arrives 1 day after departure.
Daily 21:50 Seattle-Tacoma (SEA) 06:03 Philadelphia (PHL) D Delta Air Lines DL 1114 Non-stop Airbus A321neo (32Q) 5:13 Effective from 2026-10-06 The flight arrives 1 day after departure.
Daily 22:50 Seattle-Tacoma (SEA) 07:00 Philadelphia (PHL) American Airlines AA 1823 Non-stop Airbus A321 (321) 5:10 Effective 2026-08-05 through 2026-09-08 The flight arrives 1 day after departure.
Daily 23:24 Seattle-Tacoma (SEA) 07:30 Philadelphia (PHL) American Airlines AA 2298 Non-stop Airbus A321 (321) 5:06 Effective from 2026-10-05 The flight arrives 1 day after departure.
Daily 06:12 Seattle-Tacoma (SEA) 14:17 Philadelphia (PHL) American Airlines AA 2358 Non-stop Airbus A321neo (32Q) 5:05 Effective 2026-01-06 through 2026-02-09
Wed 06:12 Seattle-Tacoma (SEA) 14:17 Philadelphia (PHL) American Airlines AA 2358 Non-stop Airbus A321neo (32Q) 5:05 Operates only on 2026-02-11
Mon,Wed-Fri,Sun 22:57 Seattle-Tacoma (SEA) 07:02 Philadelphia (PHL) American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 5:05 Effective 2026-03-08 through 2026-04-06 The flight arrives 1 day after departure.
Daily 23:07 Seattle-Tacoma (SEA) 07:08 Philadelphia (PHL) American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 5:01 Valid until 2026-01-05 The flight arrives 1 day after departure.
Tue,Sat 23:13 Seattle-Tacoma (SEA) 07:18 Philadelphia (PHL) American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 5:05 Effective 2026-03-10 through 2026-04-04 The flight arrives 1 day after departure.
Daily 23:18 Seattle-Tacoma (SEA) 07:17 Philadelphia (PHL) American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 4:59 Effective 2026-02-12 through 2026-03-06 The flight arrives 1 day after departure.
Sat 23:18 Seattle-Tacoma (SEA) 08:17 Philadelphia (PHL) American Airlines AA 2361 Non-stop Airbus A321neo (32Q) 4:59 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Daily 12:03 Seattle-Tacoma (SEA) 20:25 Philadelphia (PHL) American Airlines AA 2432 Non-stop Airbus A321 (321) 5:22 Effective from 2026-10-05
Daily 23:23 Seattle-Tacoma (SEA) 07:30 Philadelphia (PHL) American Airlines AA 2522 Non-stop Airbus A321 (321) 5:07 Effective 2026-05-21 through 2026-07-01 The flight arrives 1 day after departure.
Daily 23:23 Seattle-Tacoma (SEA) 07:30 Philadelphia (PHL) American Airlines AA 2525 Non-stop Airbus A321neo (32Q) 5:07 Effective 2026-07-02 through 2026-08-04 The flight arrives 1 day after departure.
Daily 12:12 Seattle-Tacoma (SEA) 20:25 Philadelphia (PHL) American Airlines AA 2534 Non-stop Airbus A321 (321) 5:13 Effective 2026-05-21 through 2026-07-01
Daily 12:05 Seattle-Tacoma (SEA) 20:25 Philadelphia (PHL) American Airlines AA 2544 Non-stop Airbus A321 (321) 5:20 Effective 2026-07-02 through 2026-08-04
Daily 23:33 Seattle-Tacoma (SEA) 07:40 Philadelphia (PHL) American Airlines AA 2763 Non-stop Airbus A321neo (32Q) 5:07 Effective 2026-04-07 through 2026-05-20 The flight arrives 1 day after departure.
Daily 12:54 Seattle-Tacoma (SEA) 21:07 Philadelphia (PHL) American Airlines AA 2780 Non-stop Boeing 737 MAX 8 (7M8) 5:13 Effective 2026-04-07 through 2026-05-20
Daily 09:34 Seattle-Tacoma (SEA) 17:55 Philadelphia (PHL) American Airlines AA 2841 Non-stop Airbus A321 (321) 5:21 Effective 2026-09-09 through 2026-10-04
Daily 12:04 Seattle-Tacoma (SEA) 20:25 Philadelphia (PHL) American Airlines AA 2870 Non-stop Airbus A321 (321) 5:21 Effective 2026-08-05 through 2026-09-08
Daily 21:15 Seattle-Tacoma (SEA) 05:25 Philadelphia (PHL) American Airlines AA 2886 Non-stop Airbus A321 (321) 5:10 Effective 2026-08-05 through 2026-09-08 The flight arrives 1 day after departure.
Daily 08:20 Seattle-Tacoma (SEA) 16:38 Philadelphia (PHL) American Airlines AA 3219 Non-stop Airbus A321 (321) 5:18 Effective 2026-05-22 through 2026-08-05
Non-Direct Flights:
Daily 19:10 Seattle-Tacoma (SEA) 05:16 Philadelphia (PHL) D United Airlines UA 1218 1-stop Airbus A320 (320) 7:06 Effective 2026-05-21 through 2026-10-24 The flight arrives 1 day after departure.
Mon,Wed-Sun 09:19 Seattle-Tacoma (SEA) 21:33 Philadelphia (PHL) D United Airlines UA 1238 1-stop Airbus A320 (320) 9:14 Effective 2026-02-12 through 2026-03-04
Daily 05:00 Seattle-Tacoma (SEA) 16:56 Philadelphia (PHL) D United Airlines UA 2748 1-stop Boeing 737-900 (739) 8:56 Effective 2026-05-21 through 2026-08-17

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1 2 3

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Philadelphia airport (PHL).
The flight distance is 2371 miles, or 3815 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:59 and 5:22.

Return (PHL-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Philadelphia (PHL).

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS371

21:15

Seattle-Tacoma (SEA)

05:23(+1)

Philadelphia (PHL) D

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:08, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS371

21:29

Seattle-Tacoma (SEA)

05:37(+1)

Philadelphia (PHL) D

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS371

21:29

Seattle-Tacoma (SEA)

05:37(+1)

Philadelphia (PHL) D

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:08, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS442

09:15

Seattle-Tacoma (SEA)

17:31

Philadelphia (PHL) D

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:16, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:15

Seattle-Tacoma (SEA)

17:28

Philadelphia (PHL) D

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:13, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:16

Seattle-Tacoma (SEA)

17:20

Philadelphia (PHL) D

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:18

Seattle-Tacoma (SEA)

17:22

Philadelphia (PHL) D

Effective 2026-03-08 through 2026-03-12

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:18

Seattle-Tacoma (SEA)

17:22

Philadelphia (PHL) D

Effective 2026-03-13 through 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 5:04, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:18

Seattle-Tacoma (SEA)

17:22

Philadelphia (PHL) D

Effective 2026-03-16 through 2026-03-17

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:34

Seattle-Tacoma (SEA)

17:44

Philadelphia (PHL) D

Valid until 2026-01-05

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:34

Seattle-Tacoma (SEA)

17:44

Philadelphia (PHL) D

Valid until 2026-01-06

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:40

Seattle-Tacoma (SEA)

17:54

Philadelphia (PHL) D

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:14, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:42

Seattle-Tacoma (SEA)

17:52

Philadelphia (PHL) D

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-07 through 2026-01-20

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-08 through 2026-01-19

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-21 through 2026-01-25

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-22 through 2026-01-28

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun
-

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-29 through 2026-02-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-01-31 through 2026-02-07

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:09, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS442

09:54

Seattle-Tacoma (SEA)

18:03

Philadelphia (PHL) D

Effective 2026-02-09 through 2026-02-11

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS444

21:15

Seattle-Tacoma (SEA)

05:27(+1)

Philadelphia (PHL) D

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:12, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS444

21:25

Seattle-Tacoma (SEA)

05:40(+1)

Philadelphia (PHL) D

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:15, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA1095

23:25

Seattle-Tacoma (SEA)

07:30(+1)

Philadelphia (PHL)

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL1114

21:50

Seattle-Tacoma (SEA)

06:05(+1)

Philadelphia (PHL) D

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:15, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

Delta Air Lines DL1114

21:50

Seattle-Tacoma (SEA)

06:03(+1)

Philadelphia (PHL) D

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:13, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA1823

22:50

Seattle-Tacoma (SEA)

07:00(+1)

Philadelphia (PHL)

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:10, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2298

23:24

Seattle-Tacoma (SEA)

07:30(+1)

Philadelphia (PHL)

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:06, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2358

06:12

Seattle-Tacoma (SEA)

14:17

Philadelphia (PHL)

Effective 2026-01-06 through 2026-02-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:05, non-stop
Airbus A321neo (32Q)

Direct Flights:

American Airlines AA2358

06:12

Seattle-Tacoma (SEA)

14:17

Philadelphia (PHL)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 5:05, non-stop
Airbus A321neo (32Q)

Direct Flights:

American Airlines AA2361

22:57

Seattle-Tacoma (SEA)

07:02(+1)

Philadelphia (PHL)

Effective 2026-03-08 through 2026-04-06

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 5:05, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2361

23:07

Seattle-Tacoma (SEA)

07:08(+1)

Philadelphia (PHL)

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:01, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2361

23:13

Seattle-Tacoma (SEA)

07:18(+1)

Philadelphia (PHL)

Effective 2026-03-10 through 2026-04-04

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 5:05, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2361

23:18

Seattle-Tacoma (SEA)

07:17(+1)

Philadelphia (PHL)

Effective 2026-02-12 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:59, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2361

23:18

Seattle-Tacoma (SEA)

08:17(+1)

Philadelphia (PHL)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:59, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2432

12:03

Seattle-Tacoma (SEA)

20:25

Philadelphia (PHL)

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:22, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2522

23:23

Seattle-Tacoma (SEA)

07:30(+1)

Philadelphia (PHL)

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2525

23:23

Seattle-Tacoma (SEA)

07:30(+1)

Philadelphia (PHL)

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2534

12:12

Seattle-Tacoma (SEA)

20:25

Philadelphia (PHL)

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:13, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2544

12:05

Seattle-Tacoma (SEA)

20:25

Philadelphia (PHL)

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:20, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2763

23:33

Seattle-Tacoma (SEA)

07:40(+1)

Philadelphia (PHL)

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:07, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA2780

12:54

Seattle-Tacoma (SEA)

21:07

Philadelphia (PHL)

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:13, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

American Airlines AA2841

09:34

Seattle-Tacoma (SEA)

17:55

Philadelphia (PHL)

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:21, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2870

12:04

Seattle-Tacoma (SEA)

20:25

Philadelphia (PHL)

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:21, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA2886

21:15

Seattle-Tacoma (SEA)

05:25(+1)

Philadelphia (PHL)

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:10, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA3219

08:20

Seattle-Tacoma (SEA)

16:38

Philadelphia (PHL)

Effective 2026-05-22 through 2026-08-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 5:18, non-stop
Airbus A321 (321)

Non-Direct Flights:

United Airlines UA1218

19:10

Seattle-Tacoma (SEA)

05:16(+1)

Philadelphia (PHL) D

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 7:06, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1238

09:19

Seattle-Tacoma (SEA)

21:33

Philadelphia (PHL) D

Effective 2026-02-12 through 2026-03-04

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 9:14, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA2748

05:00

Seattle-Tacoma (SEA)

16:56

Philadelphia (PHL) D

Effective 2026-05-21 through 2026-08-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:56, 1-stop
Boeing 737-900 (739)

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Philadelphia airport (PHL).
The flight distance is 2371 miles, or 3815 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 4:59 and 5:22.

Return (PHL-SEA) flights

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