United Airlines flight UA 4304: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 12:29 Dulles, Washington (IAD) 14:03 Burlington (BTV)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:34 Valid until 2025-05-21
Daily 22:05 Dulles, Washington (IAD) 23:42 Knoxville (TYS)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Effective 2025-10-26 through 2025-12-01
Daily 22:05 Dulles, Washington (IAD) 23:42 Knoxville (TYS)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:37 Effective 2025-12-18 through 2026-01-05
Daily 22:11 Dulles, Washington (IAD) 23:57 Knoxville (TYS)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:46 Effective 2025-08-19 through 2025-09-24
Daily 22:13 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:46 Effective 2025-05-22 through 2025-07-03
Daily 22:13 Dulles, Washington (IAD) 23:59 Knoxville (TYS)
UA 4304 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:46 Effective 2025-07-05 through 2025-08-18
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4304: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4304
12:29
Dulles, Washington (IAD)

14:03
Burlington (BTV)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:05
Dulles, Washington (IAD)

23:42
Knoxville (TYS)
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:05
Dulles, Washington (IAD)

23:42
Knoxville (TYS)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:11
Dulles, Washington (IAD)

23:57
Knoxville (TYS)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:13
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2025-05-22 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
United Airlines UA4304
22:13
Dulles, Washington (IAD)

23:59
Knoxville (TYS)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:46, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
  • Dulles, Washington (IAD) - Burlington (BTV)
  • Dulles, Washington (IAD) - Knoxville (TYS)
All United Airlines flights
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