United Airlines flight UA 4251: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Syracuse (SYR) 07:26 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-05-22 through 2025-05-28
Mon-Wed,Fri-Sun 06:00 Syracuse (SYR) 07:26 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:26 Effective 2025-05-30 through 2025-06-25
Daily 06:00 Greensboro/High Point (GSO) 07:16 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:16 Effective from 2025-10-26
Daily 06:15 Greensboro/High Point (GSO) 07:32 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:17 Valid until 2025-05-21
Daily 06:15 Greensboro/High Point (GSO) 07:32 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:17 Effective 2025-06-27 through 2025-08-18
Daily 06:15 Greensboro/High Point (GSO) 07:33 Dulles, Washington (IAD)
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:18 Effective 2025-08-19 through 2025-10-25
Thu 09:00 Birmingham (BHM) 11:01 George Bush, Houston (IAH) B
UA 4251 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 2:01 Operates only on 2025-06-26
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4251: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4251
06:00
Syracuse (SYR)

07:26
Dulles, Washington (IAD)
Effective 2025-05-22 through 2025-05-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
06:00
Syracuse (SYR)

07:26
Dulles, Washington (IAD)
Effective 2025-05-30 through 2025-06-25
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
06:00
Greensboro/High Point (GSO)

07:16
Dulles, Washington (IAD)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
06:15
Greensboro/High Point (GSO)

07:32
Dulles, Washington (IAD)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
06:15
Greensboro/High Point (GSO)

07:32
Dulles, Washington (IAD)
Effective 2025-06-27 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
06:15
Greensboro/High Point (GSO)

07:33
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4251
09:00
Birmingham (BHM)

11:01
George Bush, Houston (IAH) B
Operates only on 2025-06-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:01, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
  • Birmingham (BHM) - George Bush, Houston (IAH)
  • Greensboro/High Point (GSO) - Dulles, Washington (IAD)
  • Syracuse (SYR) - Dulles, Washington (IAD)
All United Airlines flights
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