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

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 07:00 Saint Louis (STL) 1 09:11 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:11 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 1410)
Mon-Fri,Sun 07:00 Saint Louis (STL) 1 09:19 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:19 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 1410)
Mon-Fri,Sun 07:00 Saint Louis (STL) 1 09:12 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:12 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 1410)
Sat 07:00 Saint Louis (STL) 1 09:07 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 2:07 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 1410)
Sat 07:05 Saint Louis (STL) 1 09:11 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 2:06 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 1410)
Mon-Fri,Sun 07:15 Saint Louis (STL) 1 09:34 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 2:19 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 07:20 Saint Louis (STL) 1 09:19 Dallas Fort Worth (DFW)
AS 4540 Non-stop Boeing 737-800 (738) 1:59 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1410)
Sat 07:23 Saint Louis (STL) 1 09:43 Dallas Fort Worth (DFW)
AS 4540 Non-stop Embraer EMB 175 (E75) 2:20 Effective 2026-01-10 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 4141)
Daily 09:44 Saint Louis (STL) 1 11:39 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:55 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1410)
Daily 09:47 Saint Louis (STL) 1 11:39 Dallas Fort Worth (DFW)
AS 4540 Non-stop Airbus A319 (319) 1:52 Effective 2026-07-02 through 2026-08-04
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
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:11, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:19, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:12, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:07, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:06, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 2:19, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:59, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4141)
Duration: 2:20, non-stop
Embraer EMB 175 (E75)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:55, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Alaska Airlines AS4540
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1410)
Duration: 1:52, 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 1:52 and 2:20.