United Airlines flight UA 401: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:00 Fort Myers (RSW) 10:11 Denver (DEN)
UA 401 Non-stop Boeing 737 MAX 8 (7M8) 4:11 Effective 2025-09-25 through 2025-10-25
Daily 08:08 Fort Myers (RSW) 10:18 Denver (DEN)
UA 401 Non-stop Boeing 737-800 (738) 4:10 Effective 2025-10-26 through 2025-12-17
Daily 08:08 Fort Myers (RSW) 10:18 Denver (DEN)
UA 401 Non-stop Boeing 737-800 (738) 4:10 Effective 2026-01-06 through 2026-02-13
Mon-Fri 08:08 Fort Myers (RSW) 10:18 Denver (DEN)
UA 401 Non-stop Boeing 737-800 (738) 4:10 Effective from 2026-02-16
Daily 11:25 Denver (DEN) 12:21 Hayden (HDN)
UA 401 Non-stop Airbus A319 (319) 0:56 Effective 2025-09-25 through 2025-10-25
Daily 11:37 Denver (DEN) 12:35 Hayden (HDN)
UA 401 Non-stop Airbus A319 (319) 0:58 Effective 2025-08-19 through 2025-09-24
Daily 11:37 Denver (DEN) 12:33 Hayden (HDN)
UA 401 Non-stop Airbus A319 (319) 0:56 Effective 2025-10-26 through 2025-12-17
Mon-Fri,Sun 15:25 Guanacaste (LIR) 20:05 George Bush, Houston (IAH) E
UA 401 Non-stop Boeing 737-800 (738) 3:40 Valid until 2025-05-02
Daily 15:25 Guanacaste (LIR) 20:05 George Bush, Houston (IAH) E
UA 401 Non-stop Boeing 737-800 (738) 3:40 Effective 2025-05-03 through 2025-08-18
Daily 16:00 Guanacaste (LIR) 19:43 George Bush, Houston (IAH) E
UA 401 Non-stop Boeing 737-900 (739) 3:43 Effective 2025-12-18 through 2026-01-05
Sat,Sun 16:00 Guanacaste (LIR) 19:43 George Bush, Houston (IAH) E
UA 401 Non-stop Boeing 737-900 (739) 3:43 Effective from 2026-02-14
Non-Direct Flights:
Daily 08:00 Fort Myers (RSW) 12:21 Hayden (HDN)
UA 401 1-stop Boeing 737 MAX 8 (7M8) 6:21 Effective 2025-09-25 through 2025-10-25
Daily 08:08 Fort Myers (RSW) 12:33 Hayden (HDN)
UA 401 1-stop Boeing 737-800 (738) 6:25 Effective 2025-10-26 through 2025-12-17
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This flight number is listed as serving the following routes:


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United Airlines flight UA 401: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA401
08:00
Fort Myers (RSW)

10:11
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:11, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA401
08:08
Fort Myers (RSW)

10:18
Denver (DEN)
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Boeing 737-800 (738)
United Airlines UA401
08:08
Fort Myers (RSW)

10:18
Denver (DEN)
Effective 2026-01-06 through 2026-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Boeing 737-800 (738)
United Airlines UA401
08:08
Fort Myers (RSW)

10:18
Denver (DEN)
Effective from 2026-02-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (738)
United Airlines UA401
11:25
Denver (DEN)

12:21
Hayden (HDN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:56, non-stop
Airbus A319 (319)
United Airlines UA401
11:37
Denver (DEN)

12:35
Hayden (HDN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:58, non-stop
Airbus A319 (319)
United Airlines UA401
11:37
Denver (DEN)

12:33
Hayden (HDN)
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:56, non-stop
Airbus A319 (319)
United Airlines UA401
15:25
Guanacaste (LIR)

20:05
George Bush, Houston (IAH) E
Valid until 2025-05-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (738)
United Airlines UA401
15:25
Guanacaste (LIR)

20:05
George Bush, Houston (IAH) E
Effective 2025-05-03 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:40, non-stop
Boeing 737-800 (738)
United Airlines UA401
16:00
Guanacaste (LIR)

19:43
George Bush, Houston (IAH) E
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-900 (739)
United Airlines UA401
16:00
Guanacaste (LIR)

19:43
George Bush, Houston (IAH) E
Effective from 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 3:43, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA401
08:00
Fort Myers (RSW)

12:21
Hayden (HDN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:21, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA401
08:08
Fort Myers (RSW)

12:33
Hayden (HDN)
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Hayden (HDN)
  • Fort Myers (RSW) - Denver (DEN)
  • Fort Myers (RSW) - Hayden (HDN)
  • Guanacaste (LIR) - George Bush, Houston (IAH)
All United Airlines flights
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