Frontier Airlines flight F9 3748: Miami - Washington Dulles

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Fri,Sat 06:00 Miami (MIA) 08:39 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A321 (321) 2:39 Effective 2026-04-03 through 2026-04-13
Sat 07:30 Miami (MIA) 10:09 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A320neo (32N) 2:39 Valid until 2026-01-03
Fri 10:35 Miami (MIA) 13:14 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A320neo (32N) 2:39 Valid until 2026-01-02
Mon 10:35 Miami (MIA) 13:14 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A321 (321) 2:39 Valid until 2026-01-05
Mon,Fri 15:26 Miami (MIA) 18:10 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A321 (321) 2:44 Effective 2026-02-23 through 2026-03-02
Fri 17:14 Miami (MIA) 19:58 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A321 (321) 2:44 Effective 2026-01-23 through 2026-02-06
Fri 18:20 Miami (MIA) 21:04 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A320neo (32N) 2:44 Operates only on 2026-03-06
Mon,Fri 18:20 Miami (MIA) 21:04 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A320neo (32N) 2:44 Effective 2026-03-13 through 2026-03-30
Mon 19:09 Miami (MIA) 21:53 Washington Dulles (IAD)
F9 3748 Non-stop Airbus A320neo (32N) 2:44 Operates only on 2026-03-09


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Frontier Airlines flight F9 3748:
Miami - Washington Dulles
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Frontier Airlines F93748
06:00
Miami (MIA)

08:39
Washington Dulles (IAD)
Effective 2026-04-03 through 2026-04-13
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93748
07:30
Miami (MIA)

10:09
Washington Dulles (IAD)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93748
10:35
Miami (MIA)

13:14
Washington Dulles (IAD)
Valid until 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:39, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93748
10:35
Miami (MIA)

13:14
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:39, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93748
15:26
Miami (MIA)

18:10
Washington Dulles (IAD)
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93748
17:14
Miami (MIA)

19:58
Washington Dulles (IAD)
Effective 2026-01-23 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A321 (321)
Direct Flights:
Frontier Airlines F93748
18:20
Miami (MIA)

21:04
Washington Dulles (IAD)
Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93748
18:20
Miami (MIA)

21:04
Washington Dulles (IAD)
Effective 2026-03-13 through 2026-03-30
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A320neo (32N)
Direct Flights:
Frontier Airlines F93748
19:09
Miami (MIA)

21:53
Washington Dulles (IAD)
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:44, non-stop
Airbus A320neo (32N)
  • F9 3748 is a domestic flight departing from the Miami airport (MIA) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 923 miles, or 1486 km.
  • The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:39 and 2:44.
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