Alaska Airlines flight AS 4738: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed-Fri,Sun 08:04 Chicago O'Hare (ORD) 3 10:56 Rochester (ROC)
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:52 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3838)
Mon,Thu,Fri,Sun 08:29 Chicago O'Hare (ORD) 3 11:14 Rochester (ROC)
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4104)
Tue,Wed 08:30 Chicago O'Hare (ORD) 3 11:15 Rochester (ROC)
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective 2026-02-17 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 4104)
Daily 08:59 Chicago O'Hare (ORD) 3 11:56 Rochester (ROC)
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4104)
Tue 09:48 Chicago O'Hare (ORD) 3 12:40 Rochester (ROC)
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:52 Effective 2026-03-10 through 2026-03-31
Codeshare flight, operated by American Airlines.(AA 3838)
Mon,Wed-Fri,Sun 11:34 Rochester (ROC) 12:44 Chicago O'Hare (ORD) 3
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:10 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3838)
Tue 13:10 Rochester (ROC) 14:20 Chicago O'Hare (ORD) 3
AS 4738 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:10 Effective 2026-03-10 through 2026-03-31
Codeshare flight, operated by American Airlines.(AA 3838)
Daily 16:15 Dallas Fort Worth (DFW) 17:32 Corpus Christi (CRP)
AS 4738 Non-stop Embraer EMB 175 (E75) 1:17 Effective 2026-05-24 through 2026-07-31
Codeshare flight, operated by American Airlines.(AA 3964)
Daily 20:40 Dallas Fort Worth (DFW) 22:04 Corpus Christi (CRP)
AS 4738 Non-stop Embraer EMB 175 (E75) 1:24 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 4324)
Tue 21:35 Dallas Fort Worth (DFW) E 23:05 Corpus Christi (CRP)
AS 4738 Non-stop Canadair CRJ 700 (CR7) 1:30 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 5322)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4738: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4738
08:04
Chicago O'Hare (ORD) 3

10:56
Rochester (ROC)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3838)
Duration: 1:52, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4738
08:29
Chicago O'Hare (ORD) 3

11:14
Rochester (ROC)
Effective 2026-02-12 through 2026-03-06
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)
Direct Codeshare Flights:
Alaska Airlines AS4738
08:30
Chicago O'Hare (ORD) 3

11:15
Rochester (ROC)
Effective 2026-02-17 through 2026-03-04
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)
Direct Codeshare Flights:
Alaska Airlines AS4738
08:59
Chicago O'Hare (ORD) 3

11:56
Rochester (ROC)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4104)
Duration: 1:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4738
09:48
Chicago O'Hare (ORD) 3

12:40
Rochester (ROC)
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3838)
Duration: 1:52, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4738
11:34
Rochester (ROC)

12:44
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3838)
Duration: 2:10, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4738
13:10
Rochester (ROC)

14:20
Chicago O'Hare (ORD) 3
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3838)
Duration: 2:10, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Alaska Airlines AS4738
16:15
Dallas Fort Worth (DFW)

17:32
Corpus Christi (CRP)
Effective 2026-05-24 through 2026-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3964)
Duration: 1:17, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4738
20:40
Dallas Fort Worth (DFW)

22:04
Corpus Christi (CRP)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4324)
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS4738
21:35
Dallas Fort Worth (DFW) E

23:05
Corpus Christi (CRP)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5322)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Corpus Christi (CRP)
  • Rochester (ROC) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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