Alaska Airlines flight AS 4738: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:00 Chicago O'Hare (ORD) 3 10:45 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2025-11-02 through 2025-12-02 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:00 Chicago O'Hare (ORD) 3 10:50 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:50 Effective 2025-12-03 through 2025-12-17 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:00 Chicago O'Hare (ORD) 3 10:56 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:56 Effective 2025-12-18 through 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:00 Chicago O'Hare (ORD) 3 10:46 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:46 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:00 Chicago O'Hare (ORD) 3 10:44 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:44 Effective from 2026-02-12 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:11 Chicago O'Hare (ORD) 3 10:54 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-07-05 through 2025-08-05 Codeshare flight, operated by American Airlines.(AA 4104)
Fri 08:13 Chicago O'Hare (ORD) 3 10:56 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Operates only on 2025-07-04 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:15 Chicago O'Hare (ORD) 3 10:58 Rochester (ROC) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:43 Effective 2025-06-05 through 2025-07-02 Codeshare flight, operated by American Airlines.(AA 4104)
Thu 08:15 Chicago O'Hare (ORD) 3 10:58 Rochester (ROC) AS 4738 Non-stop Embraer EMB 175 (E75) 1:43 Operates only on 2025-07-03 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 10:40 McAllen/Mission (MFE) 12:18 Dallas Fort Worth (DFW) AS 4738 Non-stop Embraer EMB 175 (E75) 1:38 Valid until 2025-05-04 Codeshare flight, operated by American Airlines.(AA 3972)
Daily 11:24 Rochester (ROC) 12:24 Chicago O'Hare (ORD) 3 AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:00 Effective 2025-07-05 through 2025-08-05 Codeshare flight, operated by American Airlines.(AA 4104)
Fri 11:26 Rochester (ROC) 12:25 Chicago O'Hare (ORD) 3 AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Operates only on 2025-07-04 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 11:28 Rochester (ROC) 12:27 Chicago O'Hare (ORD) 3 AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2025-06-05 through 2025-07-02 Codeshare flight, operated by American Airlines.(AA 4104)
Thu 11:28 Rochester (ROC) 12:27 Chicago O'Hare (ORD) 3 AS 4738 Non-stop Embraer EMB 175 (E75) 1:59 Operates only on 2025-07-03 Codeshare flight, operated by American Airlines.(AA 4104)
Daily 14:18 McAllen/Mission (MFE) 15:55 Dallas Fort Worth (DFW) AS 4738 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-08-06 through 2025-08-22 Codeshare flight, operated by American Airlines.(AA 3825)
Mon-Fri,Sun 14:18 McAllen/Mission (MFE) 15:55 Dallas Fort Worth (DFW) AS 4738 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2025-08-24 through 2025-09-02 Codeshare flight, operated by American Airlines.(AA 3825)
Mon,Wed-Sun 18:40 Chicago O'Hare (ORD) 3 21:13 John Glenn Columbus (CMH) AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:33 Effective 2025-05-05 through 2025-06-04 Codeshare flight, operated by American Airlines.(AA 3959)
Daily 22:30 Dallas Fort Worth (DFW) 23:46 Corpus Christi (CRP) AS 4738 Non-stop Embraer EMB 175 (E75) 1:16 Effective 2025-09-03 through 2025-10-05 Codeshare flight, operated by American Airlines.(AA 4065)
Daily 22:30 Dallas Fort Worth (DFW) 23:52 Corpus Christi (CRP) AS 4738 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2025-10-06 through 2025-11-01 Codeshare flight, operated by American Airlines.(AA 4065)

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This flight number is listed as serving the following routes:

Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
Dallas Fort Worth (DFW) - Corpus Christi (CRP)
McAllen/Mission (MFE) - Dallas Fort Worth (DFW)
Rochester (ROC) - Chicago O'Hare (ORD)

All Alaska Airlines flights

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Alaska Airlines flight AS 4738: Multiple routes

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FLIGHT SCHEDULE

Direct Codeshare Flights:

Alaska Airlines AS4738

08:00

Chicago O'Hare (ORD) 3

10:45

Rochester (ROC)

Effective 2025-11-02 through 2025-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:00

Chicago O'Hare (ORD) 3

10:50

Rochester (ROC)

Effective 2025-12-03 through 2025-12-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:50, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:00

Chicago O'Hare (ORD) 3

10:56

Rochester (ROC)

Effective 2025-12-18 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:56, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:00

Chicago O'Hare (ORD) 3

10:46

Rochester (ROC)

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:46, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:00

Chicago O'Hare (ORD) 3

10:44

Rochester (ROC)

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:44, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:11

Chicago O'Hare (ORD) 3

10:54

Rochester (ROC)

Effective 2025-07-05 through 2025-08-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:13

Chicago O'Hare (ORD) 3

10:56

Rochester (ROC)

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:15

Chicago O'Hare (ORD) 3

10:58

Rochester (ROC)

Effective 2025-06-05 through 2025-07-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:43, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

08:15

Chicago O'Hare (ORD) 3

10:58

Rochester (ROC)

Operates only on 2025-07-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:43, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

10:40

McAllen/Mission (MFE)

12:18

Dallas Fort Worth (DFW)

Valid until 2025-05-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3972)

Duration: 1:38, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

11:24

Rochester (ROC)

12:24

Chicago O'Hare (ORD) 3

Effective 2025-07-05 through 2025-08-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 2:00, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

11:26

Rochester (ROC)

12:25

Chicago O'Hare (ORD) 3

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

11:28

Rochester (ROC)

12:27

Chicago O'Hare (ORD) 3

Effective 2025-06-05 through 2025-07-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

11:28

Rochester (ROC)

12:27

Chicago O'Hare (ORD) 3

Operates only on 2025-07-03

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 4104)

Duration: 1:59, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

14:18

McAllen/Mission (MFE)

15:55

Dallas Fort Worth (DFW)

Effective 2025-08-06 through 2025-08-22

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3825)

Duration: 1:37, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

14:18

McAllen/Mission (MFE)

15:55

Dallas Fort Worth (DFW)

Effective 2025-08-24 through 2025-09-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3825)

Duration: 1:37, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

18:40

Chicago O'Hare (ORD) 3

21:13

John Glenn Columbus (CMH)

Effective 2025-05-05 through 2025-06-04

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3959)

Duration: 1:33, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4738

22:30

Dallas Fort Worth (DFW)

23:46

Corpus Christi (CRP)

Effective 2025-09-03 through 2025-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4065)

Duration: 1:16, non-stop
Embraer EMB 175 (E75)

Alaska Airlines AS4738

22:30

Dallas Fort Worth (DFW)

23:52

Corpus Christi (CRP)

Effective 2025-10-06 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4065)

Duration: 1:22, non-stop
Embraer EMB 175 (E75)

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This flight number is listed as serving the following routes:

Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
Dallas Fort Worth (DFW) - Corpus Christi (CRP)
McAllen/Mission (MFE) - Dallas Fort Worth (DFW)
Rochester (ROC) - Chicago O'Hare (ORD)

All Alaska Airlines flights

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