Frontier Airlines flight F9 4373: Pittsburgh - Denver

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FLIGHT SCHEDULE
Direct Flights:
Mon 16:14 Pittsburgh (PIT) 18:00 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:46 Effective 2026-02-16 through 2026-02-23
Mon,Fri 16:14 Pittsburgh (PIT) 18:00 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:46 Effective 2026-02-27 through 2026-03-02
Fri 16:44 Pittsburgh (PIT) 18:30 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:46 Effective 2026-02-13 through 2026-02-20
Mon 16:57 Pittsburgh (PIT) 18:34 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:37 Operates only on 2026-01-05
Mon,Fri 17:07 Pittsburgh (PIT) 18:43 Denver (DEN)
F9 4373 Non-stop Airbus A321neo (32Q) 3:36 Valid until 2026-01-02
Fri 19:59 Pittsburgh (PIT) 21:45 Denver (DEN)
F9 4373 Non-stop Airbus A321neo (32Q) 3:46 Effective 2026-01-23 through 2026-01-30
Mon 19:59 Pittsburgh (PIT) 21:45 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:46 Operates only on 2026-01-26
Mon,Fri 19:59 Pittsburgh (PIT) 21:45 Denver (DEN)
F9 4373 Non-stop Airbus A321neo (32Q) 3:46 Effective 2026-02-02 through 2026-02-06
Mon 19:59 Pittsburgh (PIT) 21:45 Denver (DEN)
F9 4373 Non-stop Airbus A320neo (32N) 3:46 Operates only on 2026-02-09
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Frontier Airlines flight F9 4373:
Pittsburgh - Denver
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Frontier Airlines F94373
Effective 2026-02-16 through 2026-02-23
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 3:46, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94373
Effective 2026-02-27 through 2026-03-02
Mon
Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 3:46, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94373
Effective 2026-02-13 through 2026-02-20
Mon
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Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 3:46, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94373
Operates only on 2026-01-05
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 3:37, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94373
Valid until 2026-01-02
Mon
Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 3:36, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94373
Effective 2026-01-23 through 2026-01-30
Mon
-
Tue
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Wed
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Thu
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Fri
Sat
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Sun
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Duration: 3:46, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94373
Operates only on 2026-01-26
Mon
Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 3:46, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94373
Effective 2026-02-02 through 2026-02-06
Mon
Tue
-
Wed
-
Thu
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Fri
Sat
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Sun
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Duration: 3:46, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94373
Operates only on 2026-02-09
Mon
Tue
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Wed
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Thu
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Fri
-
Sat
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Sun
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Duration: 3:46, non-stop
Airbus A320neo (32N)
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  • F9 4373 is a domestic flight departing from the Pittsburgh airport (PIT) and arriving at Denver airport (DEN).
  • The flight distance is 1286 miles, or 2070 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 3:36 and 3:46.