Air Canada flight AC 4001: Chicago O'Hare - Washington Dulles

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:59 Chicago O'Hare (ORD) 1 16:02 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-900 (739) 2:03 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 293)
Mon-Wed 13:00 Chicago O'Hare (ORD) 1 16:00 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 293)
Thu,Fri,Sun 13:00 Chicago O'Hare (ORD) 1 16:00 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-900 (739) 2:00 Effective 2026-01-08 through 2026-02-08
Codeshare flight, operated by United Airlines.(UA 293)
Sat 13:00 Chicago O'Hare (ORD) 1 16:00 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-700 (73G) 2:00 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by United Airlines.(UA 293)
Sat 13:00 Chicago O'Hare (ORD) 1 16:00 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-800 (738) 2:00 Operates only on 2026-01-24
Codeshare flight, operated by United Airlines.(UA 293)
Sat 13:00 Chicago O'Hare (ORD) 1 16:00 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-700 (73G) 2:00 Effective 2026-01-31 through 2026-02-07
Codeshare flight, operated by United Airlines.(UA 293)
Mon-Fri 13:02 Chicago O'Hare (ORD) 1 16:05 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-900 (739) 2:03 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 1502)
Sat 13:02 Chicago O'Hare (ORD) 1 16:05 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-800 (738) 2:03 Effective 2026-02-14 through 2026-02-28
Codeshare flight, operated by United Airlines.(UA 1502)
Sun 13:02 Chicago O'Hare (ORD) 1 16:05 Washington Dulles (IAD)
AC 4001 Non-stop Airbus A321neo (32Q) 2:03 Effective 2026-02-15 through 2026-03-01
Codeshare flight, operated by United Airlines.(UA 1502)
Mon,Wed-Fri 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Airbus A321neo (32Q) 2:03 Effective 2026-03-05 through 2026-03-11
Codeshare flight, operated by United Airlines.(UA 293)
Sat 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-700 (73G) 2:03 Effective 2026-03-07 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 293)
Sun 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Airbus A319 (319) 2:03 Effective 2026-03-08 through 2026-03-22
Codeshare flight, operated by United Airlines.(UA 293)
Tue 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-900 (739) 2:03 Effective 2026-03-10 through 2026-03-24
Codeshare flight, operated by United Airlines.(UA 293)
Thu 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Airbus A320 (320) 2:03 Operates only on 2026-03-12
Codeshare flight, operated by United Airlines.(UA 293)
Mon,Wed-Fri 13:06 Chicago O'Hare (ORD) 1 16:09 Washington Dulles (IAD)
AC 4001 Non-stop Airbus A321neo (32Q) 2:03 Effective 2026-03-13 through 2026-03-27
Codeshare flight, operated by United Airlines.(UA 293)
Daily 13:12 Chicago O'Hare (ORD) 1 16:01 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-800 (738) 1:49 Effective from 2026-04-30
Codeshare flight, operated by United Airlines.(UA 293)
Daily 13:24 Chicago O'Hare (ORD) 1 16:24 Washington Dulles (IAD)
AC 4001 Non-stop Boeing 737-900 (739) 2:00 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 293)


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Air Canada flight AC 4001:
Chicago O'Hare - Washington Dulles
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4001
12:59
Chicago O'Hare (ORD) 1

16:02
Washington Dulles (IAD)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4001
13:00
Chicago O'Hare (ORD) 1

16:00
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Air Canada AC4001
13:00
Chicago O'Hare (ORD) 1

16:00
Washington Dulles (IAD)
Effective 2026-01-08 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4001
13:00
Chicago O'Hare (ORD) 1

16:00
Washington Dulles (IAD)
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4001
13:00
Chicago O'Hare (ORD) 1

16:00
Washington Dulles (IAD)
Operates only on 2026-01-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4001
13:00
Chicago O'Hare (ORD) 1

16:00
Washington Dulles (IAD)
Effective 2026-01-31 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4001
13:02
Chicago O'Hare (ORD) 1

16:05
Washington Dulles (IAD)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1502)
Duration: 2:03, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4001
13:02
Chicago O'Hare (ORD) 1

16:05
Washington Dulles (IAD)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1502)
Duration: 2:03, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4001
13:02
Chicago O'Hare (ORD) 1

16:05
Washington Dulles (IAD)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1502)
Duration: 2:03, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-11
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Operates only on 2026-03-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Air Canada AC4001
13:06
Chicago O'Hare (ORD) 1

16:09
Washington Dulles (IAD)
Effective 2026-03-13 through 2026-03-27
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:03, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Air Canada AC4001
13:12
Chicago O'Hare (ORD) 1

16:01
Washington Dulles (IAD)
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 1:49, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Air Canada AC4001
13:24
Chicago O'Hare (ORD) 1

16:24
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 293)
Duration: 2:00, non-stop
Boeing 737-900 (739)
  • AC 4001 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Washington Dulles airport (IAD).
  • The flight distance is 587 miles, or 945 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 1:49 and 2:03.
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