Alaska Airlines flight AS 4538: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:51 El Paso (ELP) 11:02 Chicago O'Hare (ORD) 3
AS 4538 Non-stop Embraer EMB 175 (E75) 3:11 Effective 2025-05-06 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 3763)
Mon-Fri,Sun 08:17 Philadelphia (PHL) 09:55 Memphis (MEM)
AS 4538 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-07-16 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 4450)
Daily 11:09 Savannah (SAV) 12:59 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Canadair CRJ 900 (CR9) 1:50 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 5028)
Mon 11:37 Chicago O'Hare (ORD) 3 14:24 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Airbus A319 (319) 1:47 Operates only on 2025-05-05
Codeshare flight, operated by American Airlines.(AA 1485)
Mon,Tue,Thu,Fri,Sun 11:46 Boston Logan (BOS) B 13:28 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Airbus A319 (319) 1:42 Effective 2025-07-06 through 2025-07-11
Codeshare flight, operated by American Airlines.(AA 2110)
Mon,Tue,Sun 12:07 Burlington (BTV) 13:59 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Canadair CRJ 700 (CR7) 1:52 Effective 2025-08-03 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 5092)
Mon,Thu,Fri,Sun 13:19 Chicago O'Hare (ORD) 3 17:28 Miami (MIA)
AS 4538 Non-stop Boeing 737-800 (738) 3:09 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 3322)
Daily 16:20 Cleveland Hopkins (CLE) 17:46 Philadelphia (PHL)
AS 4538 Non-stop Airbus A319 (319) 1:26 Effective 2025-06-05 through 2025-06-13
Codeshare flight, operated by American Airlines.(AA 974)
Mon-Fri,Sun 16:20 Cleveland Hopkins (CLE) 17:46 Philadelphia (PHL)
AS 4538 Non-stop Airbus A319 (319) 1:26 Effective 2025-06-15 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 974)
Daily 16:35 Dallas Fort Worth (DFW) 17:35 Oklahoma City (OKC)
AS 4538 Non-stop Airbus A319 (319) 1:00 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2968)
Tue 16:35 Dallas Fort Worth (DFW) 17:37 Oklahoma City (OKC)
AS 4538 Non-stop Airbus A319 (319) 1:02 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 2968)
Tue 18:43 Oklahoma City (OKC) 20:00 Dallas Fort Worth (DFW)
AS 4538 Non-stop Airbus A319 (319) 1:17 Operates only on 2026-01-06
Codeshare flight, operated by American Airlines.(AA 2968)
Daily 18:50 Dallas Fort Worth (DFW) 20:10 Laredo (LRD)
AS 4538 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 3910)
Daily 18:51 Oklahoma City (OKC) 20:00 Dallas Fort Worth (DFW)
AS 4538 Non-stop Airbus A319 (319) 1:09 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2968)
Daily 20:20 Laredo (LRD) 21:50 Dallas Fort Worth (DFW)
AS 4538 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:30 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 3910)
Sat 20:35 Chicago O'Hare (ORD) 3 23:46 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Airbus A319 (319) 2:11 Effective 2025-06-14 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 903)
Sat 20:37 Chicago O'Hare (ORD) 3 23:50 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Airbus A319 (319) 2:13 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 903)
Mon-Fri,Sun 20:37 Chicago O'Hare (ORD) 3 23:50 Ronald Reagan Washington (DCA) 2
AS 4538 Non-stop Airbus A319 (319) 2:13 Effective 2025-08-06 through 2025-09-26
Codeshare flight, operated by American Airlines.(AA 903)
Sun 22:10 Chicago O'Hare (ORD) 3 00:37 Detroit (DTW) E
AS 4538 Non-stop Embraer EMB 175 (E75) 1:27 Operates only on 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4534)
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:00 San Diego (SAN) 2 06:50 Miami (MIA)
AS 4538 Non-stop Airbus A321neo (32Q) 4:50 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by American Airlines.(AA 2968)
The flight arrives 1 day after departure.
Sat 23:00 San Diego (SAN) 2 05:50 Miami (MIA)
AS 4538 Non-stop Airbus A321neo (32Q) 4:50 Operates only on 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2968)
The flight arrives 1 day after departure.
Daily 23:00 San Diego (SAN) 2 06:51 Miami (MIA)
AS 4538 Non-stop Boeing 737 MAX 8 (7M8) 4:51 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2968)
The flight arrives 1 day after departure.
Daily 23:00 San Diego (SAN) 2 06:42 Miami (MIA)
AS 4538 Non-stop Boeing 737 MAX 8 (7M8) 4:42 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2968)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4538: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4538
06:51
El Paso (ELP)

11:02
Chicago O'Hare (ORD) 3
Effective 2025-05-06 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3763)
Duration: 3:11, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4538
08:17
Philadelphia (PHL)

09:55
Memphis (MEM)
Effective 2025-07-16 through 2025-08-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4450)
Duration: 2:38, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4538
11:09
Savannah (SAV)

12:59
Ronald Reagan Washington (DCA) 2
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5028)
Duration: 1:50, non-stop
Canadair CRJ 900 (CR9)
Alaska Airlines AS4538
11:37
Chicago O'Hare (ORD) 3

14:24
Ronald Reagan Washington (DCA) 2
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1485)
Duration: 1:47, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
11:46
Boston Logan (BOS) B

13:28
Ronald Reagan Washington (DCA) 2
Effective 2025-07-06 through 2025-07-11
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2110)
Duration: 1:42, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
12:07
Burlington (BTV)

13:59
Ronald Reagan Washington (DCA) 2
Effective 2025-08-03 through 2025-08-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5092)
Duration: 1:52, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4538
13:19
Chicago O'Hare (ORD) 3

17:28
Miami (MIA)
Valid until 2025-05-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3322)
Duration: 3:09, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4538
16:20
Cleveland Hopkins (CLE)

17:46
Philadelphia (PHL)
Effective 2025-06-05 through 2025-06-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 974)
Duration: 1:26, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
16:20
Cleveland Hopkins (CLE)

17:46
Philadelphia (PHL)
Effective 2025-06-15 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 974)
Duration: 1:26, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
16:35
Dallas Fort Worth (DFW)

17:35
Oklahoma City (OKC)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 1:00, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
16:35
Dallas Fort Worth (DFW)

17:37
Oklahoma City (OKC)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 1:02, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
18:43
Oklahoma City (OKC)

20:00
Dallas Fort Worth (DFW)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 1:17, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
18:50
Dallas Fort Worth (DFW)

20:10
Laredo (LRD)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3910)
Duration: 1:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4538
18:51
Oklahoma City (OKC)

20:00
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 1:09, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
20:20
Laredo (LRD)

21:50
Dallas Fort Worth (DFW)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3910)
Duration: 1:30, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4538
20:35
Chicago O'Hare (ORD) 3

23:46
Ronald Reagan Washington (DCA) 2
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 903)
Duration: 2:11, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
20:37
Chicago O'Hare (ORD) 3

23:50
Ronald Reagan Washington (DCA) 2
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 903)
Duration: 2:13, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
20:37
Chicago O'Hare (ORD) 3

23:50
Ronald Reagan Washington (DCA) 2
Effective 2025-08-06 through 2025-09-26
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 903)
Duration: 2:13, non-stop
Airbus A319 (319)
Alaska Airlines AS4538
22:10
Chicago O'Hare (ORD) 3

00:37(+1)
Detroit (DTW) E
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4534)
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
The flight arrives 1 day after departure.
Alaska Airlines AS4538
23:00
San Diego (SAN) 2

06:50(+1)
Miami (MIA)
Effective 2025-10-26 through 2025-10-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 4:50, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Alaska Airlines AS4538
23:00
San Diego (SAN) 2

05:50(+1)
Miami (MIA)
Operates only on 2025-11-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 4:50, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Alaska Airlines AS4538
23:00
San Diego (SAN) 2

06:51(+1)
Miami (MIA)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 4:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Alaska Airlines AS4538
23:00
San Diego (SAN) 2

06:42(+1)
Miami (MIA)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2968)
Duration: 4:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Ronald Reagan Washington (DCA)
  • Burlington (BTV) - Ronald Reagan Washington (DCA)
  • Chicago O'Hare (ORD) - Detroit (DTW)
  • Chicago O'Hare (ORD) - Miami (MIA)
  • Chicago O'Hare (ORD) - Ronald Reagan Washington (DCA)
  • Cleveland Hopkins (CLE) - Philadelphia (PHL)
  • Dallas Fort Worth (DFW) - Laredo (LRD)
  • El Paso (ELP) - Chicago O'Hare (ORD)
  • Oklahoma City (OKC) - Dallas Fort Worth (DFW)
  • Philadelphia (PHL) - Memphis (MEM)
  • San Diego (SAN) - Miami (MIA)
  • Savannah (SAV) - Ronald Reagan Washington (DCA)
All Alaska Airlines flights
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