Frontier Airlines flight F9 3439: Denver - San Francisco

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Fri,Sat 22:29 Denver (DEN) 00:24 San Francisco (SFO) I
F9 3439 Non-stop Airbus A320neo (32N) 2:55 Valid until 2026-01-02
The flight arrives 1 day after departure.
Mon,Wed,Thu,Sat 22:29 Denver (DEN) 00:24 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321neo (32Q) 2:55 Valid until 2026-01-05
The flight arrives 1 day after departure.
Sun 22:29 Denver (DEN) 00:24 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321 (321) 2:55 Operates only on 2026-01-04
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:29 Denver (DEN) 00:24 San Francisco (SFO) I
F9 3439 Non-stop Airbus A320neo (32N) 2:55 Effective 2026-01-08 through 2026-01-12
The flight arrives 1 day after departure.
Thu,Fri 22:29 Denver (DEN) 00:28 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321neo (32Q) 2:59 Effective 2026-01-16 through 2026-01-22
The flight arrives 1 day after departure.
Mon,Fri,Sun 22:29 Denver (DEN) 00:28 San Francisco (SFO) I
F9 3439 Non-stop Airbus A320neo (32N) 2:59 Effective 2026-01-19 through 2026-02-09
The flight arrives 1 day after departure.
Thu 22:29 Denver (DEN) 00:28 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321neo (32Q) 2:59 Effective 2026-01-29 through 2026-02-05
The flight arrives 1 day after departure.
Mon,Thu,Sat,Sun 22:29 Denver (DEN) 00:28 San Francisco (SFO) I
F9 3439 Non-stop Airbus A320neo (32N) 2:59 Effective 2026-02-12 through 2026-03-05
The flight arrives 1 day after departure.
Fri 22:29 Denver (DEN) 00:28 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321neo (32Q) 2:59 Effective 2026-02-13 through 2026-02-27
The flight arrives 1 day after departure.
Daily 22:30 Denver (DEN) 00:29 San Francisco (SFO) I
F9 3439 Non-stop Airbus A320neo (32N) 2:59 Effective 2026-03-06 through 2026-03-31
The flight arrives 1 day after departure.
Daily 22:30 Denver (DEN) 00:25 San Francisco (SFO) I
F9 3439 Non-stop Airbus A321 (321) 2:55 Effective 2026-04-01 through 2026-04-13
The flight arrives 1 day after departure.


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Frontier Airlines flight F9 3439:
Denver - San Francisco
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:24(+1)
San Francisco (SFO) I
Valid until 2026-01-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:55, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:24(+1)
San Francisco (SFO) I
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 2:55, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:24(+1)
San Francisco (SFO) I
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:24(+1)
San Francisco (SFO) I
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:28(+1)
San Francisco (SFO) I
Effective 2026-01-16 through 2026-01-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:28(+1)
San Francisco (SFO) I
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:59, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:28(+1)
San Francisco (SFO) I
Effective 2026-01-29 through 2026-02-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:28(+1)
San Francisco (SFO) I
Effective 2026-02-12 through 2026-03-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 2:59, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:29
Denver (DEN)

00:28(+1)
San Francisco (SFO) I
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:30
Denver (DEN)

00:29(+1)
San Francisco (SFO) I
Effective 2026-03-06 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Airbus A320neo (32N)
The flight arrives 1 day after departure.
Direct Flights:
Frontier Airlines F93439
22:30
Denver (DEN)

00:25(+1)
San Francisco (SFO) I
Effective 2026-04-01 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:55, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
  • F9 3439 is a domestic flight departing from the Denver airport (DEN) and arriving at San Francisco airport (SFO).
  • The flight distance is 964 miles, or 1552 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-8 . 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 2:55 and 2:59.
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