Finnair flight AY 4240: Denver - Dallas Fort Worth

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Fri,Sat 12:11 Denver (DEN) 15:12 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2026-03-13 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:32 Denver (DEN) 15:33 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:33 Denver (DEN) 15:37 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:04 Effective 2026-02-12 through 2026-03-03
Codeshare flight, operated by American Airlines.(AA 2579)
Thu-Sat 12:33 Denver (DEN) 15:37 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:04 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 2579)
Mon-Thu,Sun 12:33 Denver (DEN) 15:36 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2026-03-08 through 2026-03-31
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Thu,Sun 12:33 Denver (DEN) 15:36 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2026-04-02 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:44 Denver (DEN) 15:42 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:58 Effective 2026-08-05 through 2026-08-30
Codeshare flight, operated by American Airlines.(AA 2359)
Tue-Sun 12:44 Denver (DEN) 15:42 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 1:58 Effective 2026-09-01 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2026-01-06 through 2026-01-15
Codeshare flight, operated by American Airlines.(AA 2579)
Fri 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Boeing 737 MAX 8 (7M8) 2:03 Operates only on 2026-01-16
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Tue,Thu-Sun 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2026-01-17 through 2026-01-26
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 2026-01-28 through 2026-02-03
Codeshare flight, operated by American Airlines.(AA 2579)
Mon,Thu-Sun 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:03 Effective 2026-02-05 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 2579)
Tue,Wed 12:52 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Boeing 737 MAX 8 (7M8) 2:03 Effective 2026-02-10 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2579)
Daily 12:54 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2026-04-07 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 2492)
Tue-Sun 12:54 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2026-09-09 through 2026-09-20
Codeshare flight, operated by American Airlines.(AA 2492)
Daily 12:54 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:01 Effective 2026-09-21 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 2492)
Daily 12:55 Denver (DEN) 15:55 Dallas Fort Worth (DFW)
AY 4240 Non-stop Airbus A321 (321) 2:00 Effective 2026-07-02 through 2026-08-04
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 from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 2579)


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Finnair flight AY 4240:
Denver - Dallas Fort Worth
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4240
12:11
Denver (DEN)

15:12
Dallas Fort Worth (DFW)
Effective 2026-03-13 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:32
Denver (DEN)

15:33
Dallas Fort Worth (DFW)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:33
Denver (DEN)

15:37
Dallas Fort Worth (DFW)
Effective 2026-02-12 through 2026-03-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:04, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:33
Denver (DEN)

15:37
Dallas Fort Worth (DFW)
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:04, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:33
Denver (DEN)

15:36
Dallas Fort Worth (DFW)
Effective 2026-03-08 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:33
Denver (DEN)

15:36
Dallas Fort Worth (DFW)
Effective 2026-04-02 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:44
Denver (DEN)

15:42
Dallas Fort Worth (DFW)
Effective 2026-08-05 through 2026-08-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 1:58, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:44
Denver (DEN)

15:42
Dallas Fort Worth (DFW)
Effective 2026-09-01 through 2026-09-08
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 1:58, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-01-06 through 2026-01-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Operates only on 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-01-17 through 2026-01-26
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-01-28 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:52
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-02-10 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:03, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4240
12:54
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-04-07 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2492)
Duration: 2:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:54
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-09-09 through 2026-09-20
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2492)
Duration: 2:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:54
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-09-21 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2492)
Duration: 2:01, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:55
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 2:00, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4240
12:55
Denver (DEN)

15:55
Dallas Fort Worth (DFW)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2579)
Duration: 2:00, non-stop
Airbus A321 (321)
  • 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 1:58 and 2:04.
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