Frontier Airlines flight F9 4251: Denver - Salt Lake City

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Wed 22:29 Denver (DEN) 00:07 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A320neo (32N) 1:38 Valid until 2026-01-05
The flight arrives 1 day after departure.
Thu-Sun 22:29 Denver (DEN) 00:07 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A321neo (32Q) 1:38 Valid until 2026-01-04
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:29 Denver (DEN) 00:14 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A320neo (32N) 1:45 Effective 2026-01-22 through 2026-02-08
The flight arrives 1 day after departure.
Mon,Sat 22:29 Denver (DEN) 00:14 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A321neo (32Q) 1:45 Effective 2026-02-09 through 2026-03-02
The flight arrives 1 day after departure.
Thu,Fri,Sun 22:29 Denver (DEN) 00:14 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A320neo (32N) 1:45 Effective 2026-02-12 through 2026-03-05
The flight arrives 1 day after departure.
Daily 22:30 Denver (DEN) 00:15 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A321 (321) 1:45 Effective 2026-03-06 through 2026-03-31
The flight arrives 1 day after departure.
Daily 22:30 Denver (DEN) 00:08 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A321 (321) 1:38 Effective 2026-04-01 through 2026-04-13
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:39 Denver (DEN) 00:17 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A320neo (32N) 1:38 Effective 2026-01-08 through 2026-01-12
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:49 Denver (DEN) 00:34 Salt Lake City (SLC)
F9 4251 Non-stop Airbus A320neo (32N) 1:45 Effective 2026-01-15 through 2026-01-19
The flight arrives 1 day after departure.
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Frontier Airlines flight F9 4251:
Denver - Salt Lake City
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F94251
22:29
Denver (DEN)

00:07(+1)
Salt Lake City (SLC)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:38, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:29
Denver (DEN)

00:07(+1)
Salt Lake City (SLC)
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:29
Denver (DEN)

00:14(+1)
Salt Lake City (SLC)
Effective 2026-01-22 through 2026-02-08
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:29
Denver (DEN)

00:14(+1)
Salt Lake City (SLC)
Effective 2026-02-09 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:29
Denver (DEN)

00:14(+1)
Salt Lake City (SLC)
Effective 2026-02-12 through 2026-03-05
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:30
Denver (DEN)

00:15(+1)
Salt Lake City (SLC)
Effective 2026-03-06 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:30
Denver (DEN)

00:08(+1)
Salt Lake City (SLC)
Effective 2026-04-01 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:39
Denver (DEN)

00:17(+1)
Salt Lake City (SLC)
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F94251
22:49
Denver (DEN)

00:34(+1)
Salt Lake City (SLC)
Effective 2026-01-15 through 2026-01-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:45, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
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  • F9 4251 is a domestic flight departing from the Denver airport (DEN) and arriving at Salt Lake City airport (SLC).
  • The flight distance is 390 miles, or 627 km.
  • The timezone of both the departure and the arrival airports is UTC-7 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:38 and 1:45.
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