Air Canada flight AC 4231: Chicago O'Hare - Austin

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 12:45 Chicago O'Hare (ORD) 1 15:46 Austin (AUS)
AC 4231 Non-stop Boeing 737-800 (738) 3:01 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 622)
Daily 12:45 Chicago O'Hare (ORD) 1 15:50 Austin (AUS)
AC 4231 Non-stop Boeing 737-800 (738) 3:05 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 622)
Thu-Sat 13:05 Chicago O'Hare (ORD) 1 16:11 Austin (AUS)
AC 4231 Non-stop Airbus A320 (320) 3:06 Effective 2026-03-05 through 2026-03-07
Codeshare flight, operated by United Airlines.(UA 622)
Mon,Tue,Fri-Sun 13:05 Chicago O'Hare (ORD) 1 16:11 Austin (AUS)
AC 4231 Non-stop Airbus A320 (320) 3:06 Effective 2026-03-08 through 2026-03-17
Codeshare flight, operated by United Airlines.(UA 622)
Wed 13:05 Chicago O'Hare (ORD) 1 16:10 Austin (AUS)
AC 4231 Non-stop Boeing 737-800 (738) 3:05 Operates only on 2026-03-11
Codeshare flight, operated by United Airlines.(UA 622)
Wed 13:05 Chicago O'Hare (ORD) 1 16:10 Austin (AUS)
AC 4231 Non-stop Boeing 737-900 (739) 3:05 Operates only on 2026-03-18
Codeshare flight, operated by United Airlines.(UA 622)
Daily 13:05 Chicago O'Hare (ORD) 1 16:11 Austin (AUS)
AC 4231 Non-stop Airbus A320 (320) 3:06 Effective 2026-03-19 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 622)
Thu 13:09 Chicago O'Hare (ORD) 1 16:14 Austin (AUS)
AC 4231 Non-stop Boeing 737-900 (739) 3:05 Operates only on 2026-03-12
Codeshare flight, operated by United Airlines.(UA 622)
Thu,Fri,Sun 13:10 Chicago O'Hare (ORD) 1 16:13 Austin (AUS)
AC 4231 Non-stop Airbus A319 (319) 3:03 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 622)
Mon 13:10 Chicago O'Hare (ORD) 1 16:11 Austin (AUS)
AC 4231 Non-stop Boeing 737-800 (738) 3:01 Operates only on 2026-01-05
Codeshare flight, operated by United Airlines.(UA 622)
Sat 13:11 Chicago O'Hare (ORD) 1 16:12 Austin (AUS)
AC 4231 Non-stop Boeing 737-900 (739) 3:01 Operates only on 2026-01-03
Codeshare flight, operated by United Airlines.(UA 622)
Daily 13:25 Chicago O'Hare (ORD) 1 16:27 Austin (AUS)
AC 4231 Non-stop Boeing 737 MAX 8 (7M8) 3:02 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 622)
Daily 13:25 Chicago O'Hare (ORD) 1 16:25 Austin (AUS)
AC 4231 Non-stop Airbus A320 (320) 3:00 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 622)
Daily 13:25 Chicago O'Hare (ORD) 1 16:25 Austin (AUS)
AC 4231 Non-stop Boeing 737-800 (738) 3:00 Effective from 2026-05-21
Codeshare flight, operated by United Airlines.(UA 622)
Air Canada flight AC 4231:
Chicago O'Hare - Austin
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:01, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-03-05 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:06, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-03-08 through 2026-03-17
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:06, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air Canada AC4231
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:05, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4231
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-03-19 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:06, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air Canada AC4231
Operates only on 2026-03-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:05, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4231
Valid until 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:03, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Air Canada AC4231
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:01, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Air Canada AC4231
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:01, non-stop
Boeing 737-900 (739)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:02, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Air Canada AC4231
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:00, non-stop
Airbus A320 (320)

Direct Codeshare Flights:

Air Canada AC4231
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 622)
Duration: 3:00, non-stop
Boeing 737-800 (738)
  • AC 4231 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Austin airport (AUS).
  • The flight distance is 977 miles, or 1573 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 3:00 and 3:06.