United Airlines flight UA 4257: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 Dulles, Washington (IAD) 09:51 Knoxville (TYS)
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective 2024-03-31 through 2024-05-22
Daily 08:15 Dulles, Washington (IAD) 09:45 Knoxville (TYS)
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:30 Effective from 2024-05-23
Daily 08:45 Huntsville (HSV) 11:42 Dulles, Washington (IAD)
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:57 Effective 2024-01-09 through 2024-02-14
Daily 08:50 Dulles, Washington (IAD) 10:40 Knoxville (TYS)
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 Effective 2024-02-15 through 2024-03-06
Daily 09:00 Dulles, Washington (IAD) 10:50 Knoxville (TYS)
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:50 Effective 2024-03-07 through 2024-03-30
Daily 12:11 Harlingen (HRL) 13:35 George Bush, Houston (IAH) B
UA 4257 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:24 Valid until 2024-01-08
This flight number is listed as serving the following routes:
United Airlines flight UA 4257: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA4257
Effective 2024-03-31 through 2024-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

United Airlines UA4257
Effective from 2024-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

United Airlines UA4257
Effective 2024-01-09 through 2024-02-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

United Airlines UA4257
Effective 2024-02-15 through 2024-03-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

United Airlines UA4257
Effective 2024-03-07 through 2024-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)

United Airlines UA4257
Valid until 2024-01-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Knoxville (TYS)
  • Harlingen (HRL) - George Bush, Houston (IAH)
  • Huntsville (HSV) - Dulles, Washington (IAD)