Air Canada
flight
AC 4420:
Washington Dulles - Chicago O'Hare
Washington Dulles - Chicago O'Hare
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4420
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:05, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4420
Effective 2026-01-06 through 2026-02-10
Mon
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Tue
Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:11, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4420
Effective 2026-01-07 through 2026-02-09
Mon
Tue
-
-
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:11, non-stop Boeing 737 MAX 9 (7M9)
Direct Codeshare Flights:
Air Canada AC4420
Operates only on 2026-02-11
Mon
-
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Tue
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Wed
Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:11, non-stop Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4420
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:13, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4420
Effective 2026-02-14 through 2026-02-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:13, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4420
Effective 2026-03-05 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:13, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4420
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1738)
Duration: 2:11, non-stop Boeing 737-800 (738)
- AC 4420 is a domestic flight departing from the Washington Dulles airport (IAD) and arriving at Chicago O'Hare airport (ORD).
- The flight distance is 587 miles, or 945 km.
- The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 2:05 and 2:13.