Finnair flight AY 4240: Denver - Dallas Fort Worth

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:13 Denver (DEN) 15:13 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:16 Denver (DEN) 15:19 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:44 Denver (DEN) 15:45 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2025-06-05 through 2025-06-23
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Wed-Sun 12:44 Denver (DEN) 15:45 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2025-06-25 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Wed-Sun 12:44 Denver (DEN) 15:44 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2025-07-05 through 2025-07-14
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:44 Denver (DEN) 15:44 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2025-07-15 through 2025-07-30
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Tue 12:44 Denver (DEN) 15:44 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2025-08-04 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 2359)
Mon-Wed,Fri-Sun 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2025-11-02 through 2025-11-10
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2025-11-12 through 2025-11-19
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Wed-Sun 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2025-11-21 through 2025-11-27
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Tue,Sat,Sun 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2025-11-29 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:53 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:02 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 2359)
Mon-Wed,Sat,Sun 12:54 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2025-08-06 through 2025-08-13
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:54 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2025-08-14 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:55 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:55 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2025-12-03 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:56 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:59 Effective 2025-12-18 through 2026-01-20
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Wed-Sun 12:56 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:59 Effective 2026-01-22 through 2026-02-02
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Tue,Thu-Sun 12:56 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:59 Effective 2026-02-03 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:56 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:59 Effective from 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2579)
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Finnair flight AY 4240:
Denver - Dallas Fort Worth
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4240
12:13
Denver (DEN)

15:13
Dallas Fort Worth (DFW)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:16
Denver (DEN)

15:19
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 2359)
Duration: 2:03, non-stop
Airbus A321 (321)
Finnair AY4240
12:44
Denver (DEN)

15:45
Dallas Fort Worth (DFW)
Effective 2025-06-05 through 2025-06-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:01, non-stop
Airbus A321 (321)
Finnair AY4240
12:44
Denver (DEN)

15:45
Dallas Fort Worth (DFW)
Effective 2025-06-25 through 2025-07-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:01, non-stop
Airbus A321 (321)
Finnair AY4240
12:44
Denver (DEN)

15:44
Dallas Fort Worth (DFW)
Effective 2025-07-05 through 2025-07-14
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:44
Denver (DEN)

15:44
Dallas Fort Worth (DFW)
Effective 2025-07-15 through 2025-07-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:44
Denver (DEN)

15:44
Dallas Fort Worth (DFW)
Effective 2025-08-04 through 2025-08-05
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-11-02 through 2025-11-10
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-11-12 through 2025-11-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-11-21 through 2025-11-27
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-11-29 through 2025-12-02
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Finnair AY4240
12:53
Denver (DEN)

15:55
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 2359)
Duration: 2:02, non-stop
Airbus A321 (321)
Finnair AY4240
12:54
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-08-06 through 2025-08-13
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:01, non-stop
Airbus A321 (321)
Finnair AY4240
12:54
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-08-14 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:01, non-stop
Airbus A321 (321)
Finnair AY4240
12:55
Denver (DEN)

15:55
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 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:55
Denver (DEN)

15:55
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 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Finnair AY4240
12:56
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2025-12-18 through 2026-01-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 1:59, non-stop
Airbus A321 (321)
Finnair AY4240
12:56
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-01-22 through 2026-02-02
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 1:59, non-stop
Airbus A321 (321)
Finnair AY4240
12:56
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-02-03 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 1:59, non-stop
Airbus A321 (321)
Finnair AY4240
12:56
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective from 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 1:59, non-stop
Airbus A321 (321)
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  • AY 4240 is a domestic flight departing from the Denver airport (DEN) and arriving at Dallas Fort Worth airport (DFW).
  • The flight distance is 641 miles, or 1031 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 1:59 and 2:03.
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