Frontier Airlines flight F9 4391: Detroit - Phoenix Sky Harbor

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 17:07 Detroit (DTW) E 19:27 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A321 (321) 4:20 Operates only on 2026-01-10
Sat 17:35 Detroit (DTW) E 20:14 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:39 Effective 2026-01-24 through 2026-02-07
Sat 17:40 Detroit (DTW) E 20:19 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A321 (321) 4:39 Operates only on 2026-01-17
Tue,Wed,Sat 19:11 Detroit (DTW) E 21:52 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:41 Effective 2026-02-10 through 2026-03-04
Mon 20:07 Detroit (DTW) E 22:48 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:41 Effective 2026-02-16 through 2026-03-02
Fri 20:08 Detroit (DTW) E 22:49 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:41 Effective 2026-02-13 through 2026-02-27
Sun 20:23 Detroit (DTW) E 23:04 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:41 Effective 2026-02-15 through 2026-03-01
Thu,Sat 20:46 Detroit (DTW) E 23:12 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A321 (321) 4:26 Valid until 2026-01-03
Mon,Fri 20:46 Detroit (DTW) E 23:12 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A320neo (32N) 4:26 Valid until 2026-01-05
Tue,Sun 20:46 Detroit (DTW) E 23:12 Phoenix Sky Harbor (PHX) 3
F9 4391 Non-stop Airbus A321neo (32Q) 4:26 Valid until 2026-01-04
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Parallax here DTW-PHX


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Frontier Airlines flight F9 4391:
Detroit - Phoenix Sky Harbor
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F94391
17:07
Detroit (DTW) E

19:27
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-01-10
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 4:20, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F94391
17:35
Detroit (DTW) E

20:14
Phoenix Sky Harbor (PHX) 3
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
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Wed
-
Thu
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Fri
-
Sat
Sun
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Duration: 4:39, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
17:40
Detroit (DTW) E

20:19
Phoenix Sky Harbor (PHX) 3
Operates only on 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
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Duration: 4:39, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F94391
19:11
Detroit (DTW) E

21:52
Phoenix Sky Harbor (PHX) 3
Effective 2026-02-10 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:41, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
20:07
Detroit (DTW) E

22:48
Phoenix Sky Harbor (PHX) 3
Effective 2026-02-16 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:41, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
20:08
Detroit (DTW) E

22:49
Phoenix Sky Harbor (PHX) 3
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:41, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
20:23
Detroit (DTW) E

23:04
Phoenix Sky Harbor (PHX) 3
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:41, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
20:46
Detroit (DTW) E

23:12
Phoenix Sky Harbor (PHX) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 4:26, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F94391
20:46
Detroit (DTW) E

23:12
Phoenix Sky Harbor (PHX) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:26, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F94391
20:46
Detroit (DTW) E

23:12
Phoenix Sky Harbor (PHX) 3
Valid until 2026-01-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:26, non-stop
Airbus A321neo (32Q)
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  • F9 4391 is a domestic flight departing from the Detroit airport (DTW) and arriving at Phoenix Sky Harbor airport (PHX).
  • The flight distance is 1667 miles, or 2683 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-7 . 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 4:20 and 4:41.
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