Frontier Airlines flight F9 1230: San Francisco - Denver

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 San Francisco (SFO) I 09:47 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:47 Effective 2026-03-06 through 2026-03-31
Thu 06:05 San Francisco (SFO) I 09:47 Denver (DEN)
F9 1230 Non-stop Airbus A321 (321) 2:42 Operates only on 2026-01-08
Mon,Fri,Sun 06:05 San Francisco (SFO) I 09:47 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:42 Effective 2026-01-09 through 2026-01-12
Thu,Sun 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A321neo (32Q) 2:47 Effective 2026-01-15 through 2026-01-22
Fri 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:47 Operates only on 2026-01-16
Thu,Fri 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A321neo (32Q) 2:47 Effective 2026-01-23 through 2026-02-06
Mon,Sun 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:47 Effective 2026-01-25 through 2026-02-09
Mon,Thu,Fri,Sun 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:47 Effective 2026-02-12 through 2026-03-05
Sat 06:15 San Francisco (SFO) I 10:02 Denver (DEN)
F9 1230 Non-stop Airbus A321neo (32Q) 2:47 Effective 2026-02-14 through 2026-02-28
Daily 06:15 San Francisco (SFO) I 09:57 Denver (DEN)
F9 1230 Non-stop Airbus A321 (321) 2:42 Effective 2026-04-01 through 2026-04-13
Tue,Wed,Sat,Sun 06:24 San Francisco (SFO) I 10:06 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:42 Valid until 2026-01-03
Mon,Thu,Fri,Sun 06:24 San Francisco (SFO) I 10:06 Denver (DEN)
F9 1230 Non-stop Airbus A321neo (32Q) 2:42 Valid until 2026-01-04
Mon 06:24 San Francisco (SFO) I 10:06 Denver (DEN)
F9 1230 Non-stop Airbus A321 (321) 2:42 Operates only on 2026-01-05
Mon 06:25 San Francisco (SFO) I 10:12 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:47 Operates only on 2026-01-19
Tue,Wed,Sat 07:00 San Francisco (SFO) I 10:36 Denver (DEN)
F9 1230 Non-stop Airbus A320neo (32N) 2:36 Effective 2026-01-20 through 2026-02-07


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Frontier Airlines flight F9 1230:
San Francisco - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F91230
06:00
San Francisco (SFO) I

09:47
Denver (DEN)
Effective 2026-03-06 through 2026-03-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:47, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:05
San Francisco (SFO) I

09:47
Denver (DEN)
Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:42, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F91230
06:05
San Francisco (SFO) I

09:47
Denver (DEN)
Effective 2026-01-09 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 2:42, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Effective 2026-01-15 through 2026-01-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:47, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Operates only on 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:47, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Effective 2026-01-23 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:47, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Effective 2026-01-25 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:47, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Effective 2026-02-12 through 2026-03-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:47, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

10:02
Denver (DEN)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:47, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F91230
06:15
San Francisco (SFO) I

09:57
Denver (DEN)
Effective 2026-04-01 through 2026-04-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:42, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F91230
06:24
San Francisco (SFO) I

10:06
Denver (DEN)
Valid until 2026-01-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:42, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
06:24
San Francisco (SFO) I

10:06
Denver (DEN)
Valid until 2026-01-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:42, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F91230
06:24
San Francisco (SFO) I

10:06
Denver (DEN)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:42, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F91230
06:25
San Francisco (SFO) I

10:12
Denver (DEN)
Operates only on 2026-01-19
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:47, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F91230
07:00
San Francisco (SFO) I

10:36
Denver (DEN)
Effective 2026-01-20 through 2026-02-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:36, non-stop
Airbus A320neo (32N)
  • F9 1230 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Denver airport (DEN).
  • The flight distance is 964 miles, or 1552 km.
  • The timezone of the departure airport is UTC-8 , 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 2:36 and 2:47.
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