Alaska Airlines flight AS 4503: Multiple routes

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 05:10 Tulsa (TUL) 07:12 Chicago O'Hare (ORD) 3
AS 4503 Non-stop Embraer EMB 175 (E75) 2:02 Operates only on 2025-05-04
Codeshare flight, operated by American Airlines.(AA 4492)
Mon,Thu,Fri 05:15 Boston Logan (BOS) B 06:57 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A319 (319) 1:42 Valid until 2025-05-02
Codeshare flight, operated by American Airlines.(AA 2159)
Mon-Fri 05:15 Cleveland Hopkins (CLE) 06:37 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Canadair CRJ 700 (CR7) 1:22 Effective 2025-05-05 through 2025-05-30
Codeshare flight, operated by American Airlines.(AA 5210)
Wed-Fri 05:30 Boston Logan (BOS) B 07:14 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A319 (319) 1:44 Effective 2025-06-11 through 2025-06-13
Codeshare flight, operated by American Airlines.(AA 2159)
Wed 05:50 Tampa (TPA) 07:35 Dallas Fort Worth (DFW)
AS 4503 Non-stop Airbus A321 (321) 2:45 Effective 2025-06-25 through 2025-07-02
Codeshare flight, operated by American Airlines.(AA 2268)
Mon-Fri,Sun 06:00 Tampa (TPA) 07:49 Dallas Fort Worth (DFW)
AS 4503 Non-stop Airbus A321 (321) 2:49 Effective 2025-06-16 through 2025-06-24
Codeshare flight, operated by American Airlines.(AA 2268)
Mon,Tue,Thu,Fri,Sun 06:00 Tampa (TPA) 07:49 Dallas Fort Worth (DFW)
AS 4503 Non-stop Airbus A321 (321) 2:49 Effective 2025-06-26 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 2268)
Mon-Fri,Sun 06:00 Tampa (TPA) 07:42 Dallas Fort Worth (DFW)
AS 4503 Non-stop Airbus A321 (321) 2:42 Effective 2025-07-06 through 2025-07-11
Codeshare flight, operated by American Airlines.(AA 2268)
Mon-Fri,Sun 06:00 Tampa (TPA) 07:42 Dallas Fort Worth (DFW)
AS 4503 Non-stop Airbus A321 (321) 2:42 Effective 2025-07-14 through 2025-08-01
Codeshare flight, operated by American Airlines.(AA 2268)
Daily 06:57 Orlando (MCO) B 09:05 Chicago O'Hare (ORD) 3
AS 4503 Non-stop Boeing 737-800 (738) 3:08 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 1585)
Sun 08:24 Chicago O'Hare (ORD) 3 10:03 Omaha (OMA)
AS 4503 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2025-05-11 through 2025-05-18
Codeshare flight, operated by American Airlines.(AA 3602)
Mon,Tue,Thu,Fri 10:31 Pensacola (PNS) 13:59 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Embraer EMB 175 (E75) 2:28 Effective 2025-06-05 through 2025-06-10
Codeshare flight, operated by American Airlines.(AA 4422)
Daily 15:58 Grand Rapids (GRR) 17:50 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:52 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 5729)
Daily 16:02 Grand Rapids (GRR) 17:55 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:53 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5774)
Daily 16:03 Grand Rapids (GRR) 17:55 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:52 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 5729)
Daily 16:03 Grand Rapids (GRR) 17:55 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:52 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 5774)
Daily 16:05 Grand Rapids (GRR) 17:55 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:50 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 5729)
Daily 16:06 Grand Rapids (GRR) 17:55 Philadelphia (PHL) F
AS 4503 Non-stop Embraer ERJ 145 (ER4) 1:49 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 5774)
Sat 17:32 Nashville (BNA) 20:10 Los Angeles (LAX)
AS 4503 Non-stop Boeing 737-800 (738) 4:38 Effective 2025-05-17 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 1585)
Mon-Wed,Sun 17:32 Nashville (BNA) 20:10 Los Angeles (LAX)
AS 4503 Non-stop Boeing 737-800 (738) 4:38 Effective 2025-06-01 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 1585)
Sat 17:49 Chicago O'Hare (ORD) 3 20:44 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A320 (320) 1:55 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 2999)
Mon,Tue,Sun 17:49 Chicago O'Hare (ORD) 3 20:44 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A320 (320) 1:55 Effective 2025-08-03 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 2999)
Sat 17:50 Chicago O'Hare (ORD) 3 20:43 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A320 (320) 1:53 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 2999)
Daily 19:01 Chicago O'Hare (ORD) 3 22:00 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Airbus A319 (319) 1:59 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 603)
Daily 19:17 Chicago O'Hare (ORD) 3 22:15 Ronald Reagan Washington (DCA) 2
AS 4503 Non-stop Boeing 737 MAX 8 (7M8) 1:58 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 603)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 4503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4503
05:10
Tulsa (TUL)

07:12
Chicago O'Hare (ORD) 3
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4492)
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4503
05:15
Boston Logan (BOS) B

06:57
Ronald Reagan Washington (DCA) 2
Valid until 2025-05-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2159)
Duration: 1:42, non-stop
Airbus A319 (319)
Alaska Airlines AS4503
05:15
Cleveland Hopkins (CLE)

06:37
Ronald Reagan Washington (DCA) 2
Effective 2025-05-05 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 5210)
Duration: 1:22, non-stop
Canadair CRJ 700 (CR7)
Alaska Airlines AS4503
05:30
Boston Logan (BOS) B

07:14
Ronald Reagan Washington (DCA) 2
Effective 2025-06-11 through 2025-06-13
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2159)
Duration: 1:44, non-stop
Airbus A319 (319)
Alaska Airlines AS4503
05:50
Tampa (TPA)

07:35
Dallas Fort Worth (DFW)
Effective 2025-06-25 through 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2268)
Duration: 2:45, non-stop
Airbus A321 (321)
Alaska Airlines AS4503
06:00
Tampa (TPA)

07:49
Dallas Fort Worth (DFW)
Effective 2025-06-16 through 2025-06-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2268)
Duration: 2:49, non-stop
Airbus A321 (321)
Alaska Airlines AS4503
06:00
Tampa (TPA)

07:49
Dallas Fort Worth (DFW)
Effective 2025-06-26 through 2025-07-04
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2268)
Duration: 2:49, non-stop
Airbus A321 (321)
Alaska Airlines AS4503
06:00
Tampa (TPA)

07:42
Dallas Fort Worth (DFW)
Effective 2025-07-06 through 2025-07-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2268)
Duration: 2:42, non-stop
Airbus A321 (321)
Alaska Airlines AS4503
06:00
Tampa (TPA)

07:42
Dallas Fort Worth (DFW)
Effective 2025-07-14 through 2025-08-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2268)
Duration: 2:42, non-stop
Airbus A321 (321)
Alaska Airlines AS4503
06:57
Orlando (MCO) B

09:05
Chicago O'Hare (ORD) 3
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1585)
Duration: 3:08, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4503
08:24
Chicago O'Hare (ORD) 3

10:03
Omaha (OMA)
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3602)
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Alaska Airlines AS4503
10:31
Pensacola (PNS)

13:59
Ronald Reagan Washington (DCA) 2
Effective 2025-06-05 through 2025-06-10
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4422)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4503
15:58
Grand Rapids (GRR)

17:50
Philadelphia (PHL) F
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5729)
Duration: 1:52, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
16:02
Grand Rapids (GRR)

17:55
Philadelphia (PHL) F
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5774)
Duration: 1:53, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
16:03
Grand Rapids (GRR)

17:55
Philadelphia (PHL) F
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5729)
Duration: 1:52, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
16:03
Grand Rapids (GRR)

17:55
Philadelphia (PHL) F
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5774)
Duration: 1:52, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
16:05
Grand Rapids (GRR)

17:55
Philadelphia (PHL) F
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5729)
Duration: 1:50, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
16:06
Grand Rapids (GRR)

17:55
Philadelphia (PHL) F
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 5774)
Duration: 1:49, non-stop
Embraer ERJ 145 (ER4)
Alaska Airlines AS4503
17:32
Nashville (BNA)

20:10
Los Angeles (LAX)
Effective 2025-05-17 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1585)
Duration: 4:38, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4503
17:32
Nashville (BNA)

20:10
Los Angeles (LAX)
Effective 2025-06-01 through 2025-06-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1585)
Duration: 4:38, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4503
17:49
Chicago O'Hare (ORD) 3

20:44
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 2999)
Duration: 1:55, non-stop
Airbus A320 (320)
Alaska Airlines AS4503
17:49
Chicago O'Hare (ORD) 3

20:44
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 2999)
Duration: 1:55, non-stop
Airbus A320 (320)
Alaska Airlines AS4503
17:50
Chicago O'Hare (ORD) 3

20:43
Ronald Reagan Washington (DCA) 2
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2999)
Duration: 1:53, non-stop
Airbus A320 (320)
Alaska Airlines AS4503
19:01
Chicago O'Hare (ORD) 3

22:00
Ronald Reagan Washington (DCA) 2
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 603)
Duration: 1:59, non-stop
Airbus A319 (319)
Alaska Airlines AS4503
19:17
Chicago O'Hare (ORD) 3

22:15
Ronald Reagan Washington (DCA) 2
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 603)
Duration: 1:58, non-stop
Boeing 737 MAX 8 (7M8)
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This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Ronald Reagan Washington (DCA)
  • Chicago O'Hare (ORD) - Omaha (OMA)
  • Chicago O'Hare (ORD) - Ronald Reagan Washington (DCA)
  • Cleveland Hopkins (CLE) - Ronald Reagan Washington (DCA)
  • Grand Rapids (GRR) - Philadelphia (PHL)
  • Nashville (BNA) - Los Angeles (LAX)
  • Orlando (MCO) - Chicago O'Hare (ORD)
  • Pensacola (PNS) - Ronald Reagan Washington (DCA)
  • Tampa (TPA) - Dallas Fort Worth (DFW)
  • Tulsa (TUL) - Chicago O'Hare (ORD)
All Alaska Airlines flights
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