United Airlines flight UA 1424: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 Washington Dulles (IAD) 10:20 Denver (DEN)
UA 1424 Non-stop Airbus A321neo (32Q) 4:05 Effective 2026-03-29 through 2026-04-29
Daily 08:15 Washington Dulles (IAD) 10:10 Denver (DEN)
UA 1424 Non-stop Boeing 757-300 (753) 3:55 Effective 2026-04-30 through 2026-05-20
Daily 08:15 Washington Dulles (IAD) 10:10 Denver (DEN)
UA 1424 Non-stop Boeing 737-900 (739) 3:55 Effective from 2026-05-21
Daily 11:15 Denver (DEN) 13:14 Seattle-Tacoma (SEA)
UA 1424 Non-stop Boeing 737-800 (738) 2:59 Effective 2026-03-29 through 2026-04-29
Daily 11:21 Denver (DEN) 13:20 Seattle-Tacoma (SEA)
UA 1424 Non-stop Boeing 737-800 (738) 2:59 Effective from 2026-04-30
Mon,Tue,Thu-Sun 11:42 Denver (DEN) 13:46 Seattle-Tacoma (SEA)
UA 1424 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-03-05 through 2026-03-17
Wed 11:42 Denver (DEN) 13:46 Seattle-Tacoma (SEA)
UA 1424 Non-stop Airbus A319 (319) 3:04 Operates only on 2026-03-11
Daily 11:42 Denver (DEN) 13:46 Seattle-Tacoma (SEA)
UA 1424 Non-stop Boeing 737-800 (738) 3:04 Effective 2026-03-18 through 2026-03-28
Mon-Thu 11:50 Denver (DEN) 13:58 Seattle-Tacoma (SEA)
UA 1424 Non-stop Airbus A320 (320) 3:08 Valid until 2026-01-05
Fri-Sun 11:50 Denver (DEN) 13:58 Seattle-Tacoma (SEA)
UA 1424 Non-stop Airbus A319 (319) 3:08 Valid until 2026-01-04
Mon-Fri,Sun 11:50 Denver (DEN) 13:57 Seattle-Tacoma (SEA)
UA 1424 Non-stop Boeing 737-900 (739) 3:07 Effective 2026-01-06 through 2026-02-11
Sat 11:50 Denver (DEN) 13:58 Seattle-Tacoma (SEA)
UA 1424 Non-stop Airbus A321neo (32Q) 3:08 Effective 2026-01-10 through 2026-02-07
Mon-Fri 17:20 Seattle-Tacoma (SEA) 19:37 San Francisco (SFO) 3
UA 1424 Non-stop Airbus A319 (319) 2:17 Effective 2026-02-12 through 2026-03-04
Sat 17:20 Seattle-Tacoma (SEA) 19:37 San Francisco (SFO) 3
UA 1424 Non-stop Airbus A320 (320) 2:17 Effective 2026-02-14 through 2026-02-28
Sun 17:20 Seattle-Tacoma (SEA) 19:36 San Francisco (SFO) 3
UA 1424 Non-stop Boeing 737-800 (738) 2:16 Effective 2026-02-15 through 2026-03-01
Mon,Thu-Sun 23:13 San Francisco (SFO) 3 07:27 Baltimore (BWI)
UA 1424 Non-stop Boeing 737 MAX 8 (7M8) 5:14 Effective 2026-02-12 through 2026-03-02
The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 08:15 Washington Dulles (IAD) 13:14 Seattle-Tacoma (SEA)
UA 1424 1-stop Airbus A321neo (32Q) 7:59 Effective 2026-03-29 through 2026-04-29
Daily 08:15 Washington Dulles (IAD) 13:20 Seattle-Tacoma (SEA)
UA 1424 1-stop Boeing 757-300 (753) 8:05 Effective 2026-04-30 through 2026-05-20
Daily 08:15 Washington Dulles (IAD) 13:20 Seattle-Tacoma (SEA)
UA 1424 1-stop Boeing 737-900 (739) 8:05 Effective from 2026-05-21
Mon,Thu,Fri 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI)
UA 1424 1-stop Airbus A319 (319) 11:07 Effective 2026-02-12 through 2026-03-02
The flight arrives 1 day after departure.
Sat 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI)
UA 1424 1-stop Airbus A320 (320) 11:07 Effective 2026-02-14 through 2026-02-28
The flight arrives 1 day after departure.
Sun 17:20 Seattle-Tacoma (SEA) 07:27 Baltimore (BWI)
UA 1424 1-stop Boeing 737-800 (738) 11:07 Effective 2026-02-15 through 2026-03-01
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
United Airlines flight UA 1424: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA1424
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1424
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA1424
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1424
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1424
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1424
Effective 2026-03-05 through 2026-03-17
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1424
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:04, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1424
Effective 2026-03-18 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1424
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:08, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1424
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:08, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1424
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:07, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1424
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:08, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA1424
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:17, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1424
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:17, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1424
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:16, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1424
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:14, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:59, 1-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA1424
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA1424
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1424
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 11:07, 1-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 11:07, 1-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA1424
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 11:07, 1-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Seattle-Tacoma (SEA)
  • San Francisco (SFO) - Baltimore (BWI)
  • Seattle-Tacoma (SEA) - Baltimore (BWI)
  • Seattle-Tacoma (SEA) - San Francisco (SFO)
  • Washington Dulles (IAD) - Denver (DEN)
  • Washington Dulles (IAD) - Seattle-Tacoma (SEA)