Air Canada
flight
AC 4257:
Dulles, Washington - Knoxville
Dulles, Washington - Knoxville
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FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4257
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4282)
Duration: 1:45, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Air Canada AC4257
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4282)
Duration: 1:38, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Air Canada AC4257
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4282)
Duration: 1:40, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Air Canada AC4257
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4282)
Duration: 1:45, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Air Canada AC4257
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 4282)
Duration: 1:38, non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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Parallax here IAD-TYS
- AC 4257 is a domestic flight departing from the Dulles, Washington airport (IAD) and arriving at Knoxville airport (TYS).
- The flight distance is 419 miles, or 675 km.
- The timezone of both the departure and the arrival airports is UTC-5 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 1:38 and 1:45.