United Airlines flight UA 4291: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 08:15 Washington Dulles (IAD) 09:39 Hartford (BDL)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:24 Effective 2026-03-08 through 2026-03-22
Daily 14:44 Buffalo (BUF) 16:03 Washington Dulles (IAD)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:19 Effective from 2026-03-29
Daily 14:49 Buffalo (BUF) 16:19 Washington Dulles (IAD)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective 2026-01-06 through 2026-02-11
Mon-Sat 14:49 Buffalo (BUF) 16:17 Washington Dulles (IAD)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:28 Effective 2026-03-05 through 2026-03-28
Daily 14:50 Buffalo (BUF) 16:19 Washington Dulles (IAD)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:29 Valid until 2026-01-05
Sat 19:43 Detroit (DTW) E 21:20 Washington Dulles (IAD)
UA 4291 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Effective 2026-02-14 through 2026-02-28
This flight number is listed as serving the following routes:


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United Airlines flight UA 4291: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4291
08:15
Washington Dulles (IAD)

09:39
Hartford (BDL)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:24, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4291
14:44
Buffalo (BUF)

16:03
Washington Dulles (IAD)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4291
14:49
Buffalo (BUF)

16:19
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4291
14:49
Buffalo (BUF)

16:17
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:28, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4291
14:50
Buffalo (BUF)

16:19
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4291
19:43
Detroit (DTW) E

21:20
Washington Dulles (IAD)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Buffalo (BUF) - Washington Dulles (IAD)
  • Detroit (DTW) - Washington Dulles (IAD)
  • Washington Dulles (IAD) - Hartford (BDL)
All United Airlines flights
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