Frontier Airlines flight F9 4567: Saint Louis - Denver

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FLIGHT SCHEDULE
Direct Flights:
Wed 16:51 Saint Louis (STL) 1 18:25 Denver (DEN) F9 4567 Non-stop Airbus A320neo (32N) 2:34 Effective 2026-02-11 through 2026-03-04
Fri 19:27 Saint Louis (STL) 1 20:59 Denver (DEN) F9 4567 Non-stop Airbus A321neo (32Q) 2:32 Operates only on 2026-01-16
Mon 19:36 Saint Louis (STL) 1 21:08 Denver (DEN) F9 4567 Non-stop Airbus A320neo (32N) 2:32 Operates only on 2026-01-19
Fri 19:39 Saint Louis (STL) 1 21:11 Denver (DEN) F9 4567 Non-stop Airbus A321neo (32Q) 2:32 Effective 2026-01-23 through 2026-02-06
Fri 19:43 Saint Louis (STL) 1 21:15 Denver (DEN) F9 4567 Non-stop Airbus A320neo (32N) 2:32 Valid until 2026-01-02
Mon,Wed,Sat 19:43 Saint Louis (STL) 1 21:15 Denver (DEN) F9 4567 Non-stop Airbus A321neo (32Q) 2:32 Valid until 2026-01-05
Mon,Wed,Fri,Sat 19:43 Saint Louis (STL) 1 21:15 Denver (DEN) F9 4567 Non-stop Airbus A320neo (32N) 2:32 Effective 2026-01-07 through 2026-01-12
Mon,Thu,Fri,Sun 19:43 Saint Louis (STL) 1 21:15 Denver (DEN) F9 4567 Non-stop Airbus A321neo (32Q) 2:32 Effective 2026-04-02 through 2026-04-13
Mon,Wed,Fri,Sat 20:12 Saint Louis (STL) 1 21:49 Denver (DEN) F9 4567 Non-stop Airbus A321neo (32Q) 2:37 Effective 2026-03-06 through 2026-03-30

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Parallax here STL-DEN

F9 4567 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Denver airport (DEN).
The flight distance is 767 miles, or 1235 km.
The timezone of the departure airport is UTC-6 , 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 2:32 and 2:37.

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Frontier Airlines flight F9 4567:
Saint Louis - Denver

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FLIGHT SCHEDULE

Direct Flights:

Frontier Airlines F94567

16:51

Saint Louis (STL) 1

18:25

Denver (DEN)

Effective 2026-02-11 through 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:34, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94567

19:27

Saint Louis (STL) 1

20:59

Denver (DEN)

Operates only on 2026-01-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94567

19:36

Saint Louis (STL) 1

21:08

Denver (DEN)

Operates only on 2026-01-19

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94567

19:39

Saint Louis (STL) 1

21:11

Denver (DEN)

Effective 2026-01-23 through 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94567

19:43

Saint Louis (STL) 1

21:15

Denver (DEN)

Valid until 2026-01-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94567

19:43

Saint Louis (STL) 1

21:15

Denver (DEN)

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94567

19:43

Saint Louis (STL) 1

21:15

Denver (DEN)

Effective 2026-01-07 through 2026-01-12

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 2:32, non-stop
Airbus A320neo (32N)

Direct Flights:

Frontier Airlines F94567

19:43

Saint Louis (STL) 1

21:15

Denver (DEN)

Effective 2026-04-02 through 2026-04-13

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:32, non-stop
Airbus A321neo (32Q)

Direct Flights:

Frontier Airlines F94567

20:12

Saint Louis (STL) 1

21:49

Denver (DEN)

Effective 2026-03-06 through 2026-03-30

Mon

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 2:37, non-stop
Airbus A321neo (32Q)

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Parallax here STL-DEN

F9 4567 is a domestic flight departing from the Saint Louis airport (STL) and arriving at Denver airport (DEN).
The flight distance is 767 miles, or 1235 km.
The timezone of the departure airport is UTC-6 , 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 2:32 and 2:37.

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All STL-DEN flights

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