Air Canada flight AC 4739: Washington Dulles - Knoxville

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu-Sun 22:10 Washington Dulles (IAD) 23:59 Knoxville (TYS)
AC 4739 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:49 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4304)
Daily 22:10 Washington Dulles (IAD) 23:37 Knoxville (TYS)
AC 4739 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:27 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 4304)
Daily 22:19 Washington Dulles (IAD) 23:59 Knoxville (TYS)
AC 4739 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Effective 2026-05-21 through 2026-09-23
Codeshare flight, operated by United Airlines.(UA 4304)
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Air Canada flight AC 4739:
Washington Dulles - Knoxville
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4739
22:10
Washington Dulles (IAD)

23:59
Knoxville (TYS)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4304)
Duration: 1:49, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4739
22:10
Washington Dulles (IAD)

23:37
Knoxville (TYS)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4304)
Duration: 1:27, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Codeshare Flights:
Air Canada AC4739
22:19
Washington Dulles (IAD)

23:59
Knoxville (TYS)
Effective 2026-05-21 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4304)
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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  • AC 4739 is a domestic flight departing from the Washington Dulles 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 1:27 and 1:49.
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