Frontier Airlines flight F9 3173: Chicago O'Hare - Denver

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 18:03 Chicago O'Hare (ORD) 5 20:07 Denver (DEN)
F9 3173 Non-stop Airbus A320neo (32N) 3:04 Effective 2026-02-15 through 2026-02-22
Fri 18:30 Chicago O'Hare (ORD) 5 20:34 Denver (DEN)
F9 3173 Non-stop Airbus A321 (321) 3:04 Operates only on 2026-03-06
Thu 19:41 Chicago O'Hare (ORD) 5 21:41 Denver (DEN)
F9 3173 Non-stop Airbus A321neo (32Q) 3:00 Effective 2026-01-22 through 2026-02-05
Thu 19:50 Chicago O'Hare (ORD) 5 21:49 Denver (DEN)
F9 3173 Non-stop Airbus A321neo (32Q) 2:59 Operates only on 2026-01-08
Mon 19:50 Chicago O'Hare (ORD) 5 21:49 Denver (DEN)
F9 3173 Non-stop Airbus A321 (321) 2:59 Operates only on 2026-01-12
Sun 22:07 Chicago O'Hare (ORD) 5 23:58 Denver (DEN)
F9 3173 Non-stop Airbus A321neo (32Q) 2:51 Operates only on 2026-01-11


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Frontier Airlines flight F9 3173:
Chicago O'Hare - Denver
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F93173
18:03
Chicago O'Hare (ORD) 5

20:07
Denver (DEN)
Effective 2026-02-15 through 2026-02-22
Mon
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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
Duration: 3:04, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93173
18:30
Chicago O'Hare (ORD) 5

20:34
Denver (DEN)
Operates only on 2026-03-06
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: 3:04, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93173
19:41
Chicago O'Hare (ORD) 5

21:41
Denver (DEN)
Effective 2026-01-22 through 2026-02-05
Mon
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Tue
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Wed
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Thu
Fri
-
Sat
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Sun
-
Duration: 3:00, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93173
19:50
Chicago O'Hare (ORD) 5

21:49
Denver (DEN)
Operates only on 2026-01-08
Mon
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Tue
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Wed
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Thu
Fri
-
Sat
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Sun
-
Duration: 2:59, non-stop
Airbus A321neo (32Q)
Direct Flights:
Frontier Airlines F93173
19:50
Chicago O'Hare (ORD) 5

21:49
Denver (DEN)
Operates only on 2026-01-12
Mon
Tue
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Wed
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Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93173
22:07
Chicago O'Hare (ORD) 5

23:58
Denver (DEN)
Operates only on 2026-01-11
Mon
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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
Duration: 2:51, non-stop
Airbus A321neo (32Q)
  • F9 3173 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Denver airport (DEN).
  • The flight distance is 885 miles, or 1425 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 2:51 and 3:04.
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All ORD-DEN flights
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