Alaska Airlines flight AS 4540: Saint Louis - Dallas Fort Worth

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 06:00 Norfolk (ORF) 07:28 Chicago O'Hare (ORD) 3
AS 4540 Non-stop Embraer EMB 175 (E75) 2:28 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 3838)
Daily 07:00 Saint Louis (STL) 1 08:59 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 1:59 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 537)
Daily 07:00 Saint Louis (STL) 1 08:56 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 1:56 Effective 2025-07-05 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 537)
Daily 07:04 Saint Louis (STL) 1 09:03 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 1:59 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 07:09 Saint Louis (STL) 1 09:19 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:10 Effective from 2025-12-18
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 07:13 Saint Louis (STL) 1 09:19 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:06 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 07:15 Saint Louis (STL) 1 09:20 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:05 Effective 2025-11-02 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 07:19 Saint Louis (STL) 1 09:17 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:58 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 537)
Daily 07:29 Saint Louis (STL) 1 09:20 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:51 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 537)
Daily 07:30 Saint Louis (STL) 1 09:20 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:50 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 537)
Sat 08:30 Saint Louis (STL) 1 10:24 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:54 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 1410)
Mon-Fri,Sun 09:24 Saint Louis (STL) 1 11:19 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:55 Effective 2025-06-06 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 1410)
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Alaska Airlines flight AS 4540:
Saint Louis - Dallas Fort Worth
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS4540
06:00
Norfolk (ORF)

07:28
Chicago O'Hare (ORD) 3
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3838)
Duration: 2:28, non-stop
Embraer EMB 175 (E75)
Alaska Airlines AS4540
07:00
Saint Louis (STL) 1

08:59
Dallas Fort Worth (DFW)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 537)
Duration: 1:59, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:00
Saint Louis (STL) 1

08:56
Dallas Fort Worth (DFW)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 537)
Duration: 1:56, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:04
Saint Louis (STL) 1

09:03
Dallas Fort Worth (DFW)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:59, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:09
Saint Louis (STL) 1

09:19
Dallas Fort Worth (DFW)
Effective from 2025-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:10, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:13
Saint Louis (STL) 1

09:19
Dallas Fort Worth (DFW)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:06, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:15
Saint Louis (STL) 1

09:20
Dallas Fort Worth (DFW)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:05, non-stop
Boeing 737-800 (738)
Alaska Airlines AS4540
07:19
Saint Louis (STL) 1

09:17
Dallas Fort Worth (DFW)
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 537)
Duration: 1:58, non-stop
Airbus A319 (319)
Alaska Airlines AS4540
07:29
Saint Louis (STL) 1

09:20
Dallas Fort Worth (DFW)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 537)
Duration: 1:51, non-stop
Airbus A319 (319)
Alaska Airlines AS4540
07:30
Saint Louis (STL) 1

09:20
Dallas Fort Worth (DFW)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 537)
Duration: 1:50, non-stop
Airbus A319 (319)
Alaska Airlines AS4540
08:30
Saint Louis (STL) 1

10:24
Dallas Fort Worth (DFW)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:54, non-stop
Airbus A319 (319)
Alaska Airlines AS4540
09:24
Saint Louis (STL) 1

11:19
Dallas Fort Worth (DFW)
Effective 2025-06-06 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:55, non-stop
Airbus A319 (319)
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  • AS 4540 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Dallas Fort Worth airport (DFW).
  • The flight distance is 550 miles, or 885 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:50 and 2:28.
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