Air Canada flight AC 4857: Dallas Fort Worth - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 17:35 Dallas Fort Worth (DFW) E 20:07 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Airbus A320 (320) 2:32 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 1436)
Sat 17:35 Dallas Fort Worth (DFW) E 20:07 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Airbus A319 (319) 2:32 Effective 2025-05-03 through 2025-05-17
Codeshare flight, operated by United Airlines.(UA 1436)
Mon 17:45 Dallas Fort Worth (DFW) E 20:22 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737 MAX 8 (7M8) 2:37 Operates only on 2025-06-02
Codeshare flight, operated by United Airlines.(UA 2059)
Daily 17:45 Dallas Fort Worth (DFW) E 20:22 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Airbus A319 (319) 2:37 Effective 2025-06-03 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2059)
Mon,Tue,Thu,Sat 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2025-12-02 through 2025-12-09
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Wed,Fri,Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2025-12-10 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 2347)
Daily 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Wed,Fri,Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-07 through 2026-01-13
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed,Thu,Sat,Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-15 through 2026-01-21
Codeshare flight, operated by United Airlines.(UA 2347)
Mon-Wed,Fri,Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-23 through 2026-01-28
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Tue,Thu,Sat 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-01-31 through 2026-02-10
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Wed,Fri,Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-02-11 through 2026-02-17
Codeshare flight, operated by United Airlines.(UA 2347)
Mon,Wed,Thu,Sat 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective 2026-02-19 through 2026-02-25
Codeshare flight, operated by United Airlines.(UA 2347)
Tue,Thu-Sun 17:50 Dallas Fort Worth (DFW) E 20:21 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Boeing 737-800 (738) 2:31 Effective from 2026-02-27
Codeshare flight, operated by United Airlines.(UA 2347)
Daily 17:55 Dallas Fort Worth (DFW) E 20:26 Chicago O'Hare (ORD) 1
AC 4857 Non-stop Airbus A320 (320) 2:31 Effective 2025-10-26 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 2347)
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Air Canada flight AC 4857:
Dallas Fort Worth - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC4857
17:35
Dallas Fort Worth (DFW) E

20:07
Chicago O'Hare (ORD) 1
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1436)
Duration: 2:32, non-stop
Airbus A320 (320)
Air Canada AC4857
17:35
Dallas Fort Worth (DFW) E

20:07
Chicago O'Hare (ORD) 1
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1436)
Duration: 2:32, non-stop
Airbus A319 (319)
Air Canada AC4857
17:45
Dallas Fort Worth (DFW) E

20:22
Chicago O'Hare (ORD) 1
Operates only on 2025-06-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2059)
Duration: 2:37, non-stop
Boeing 737 MAX 8 (7M8)
Air Canada AC4857
17:45
Dallas Fort Worth (DFW) E

20:22
Chicago O'Hare (ORD) 1
Effective 2025-06-03 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2059)
Duration: 2:37, non-stop
Airbus A319 (319)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2025-12-02 through 2025-12-09
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2025-12-10 through 2025-12-17
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-01-07 through 2026-01-13
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-01-15 through 2026-01-21
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-01-23 through 2026-01-28
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-01-31 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-02-11 through 2026-02-17
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective 2026-02-19 through 2026-02-25
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:50
Dallas Fort Worth (DFW) E

20:21
Chicago O'Hare (ORD) 1
Effective from 2026-02-27
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Boeing 737-800 (738)
Air Canada AC4857
17:55
Dallas Fort Worth (DFW) E

20:26
Chicago O'Hare (ORD) 1
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2347)
Duration: 2:31, non-stop
Airbus A320 (320)
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  • AC 4857 is a domestic flight departing from the Dallas Fort Worth airport (DFW) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 801 miles, or 1290 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 2:31 and 2:37.
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