Avianca flights from Chicago O'Hare (ORD) to Buffalo (BUF).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Sat 07:10 Chicago O'Hare (ORD) 1 09:49 Buffalo (BUF)
Avianca AV 2278 Non-stop Airbus A319 (319) 1:39 Effective from 2026-10-26
Codeshare flight, operated by United Airlines.(UA 265)
Tue-Sun 17:50 Chicago O'Hare (ORD) 1 20:29 Buffalo (BUF)
Avianca AV 2278 Non-stop Airbus A319 (319) 1:39 Effective 2026-01-06 through 2026-01-31
Codeshare flight, operated by United Airlines.(UA 1946)
Daily 17:50 Chicago O'Hare (ORD) 1 20:31 Buffalo (BUF)
Avianca AV 2278 Non-stop Boeing 737-700 (73G) 1:41 Effective 2026-03-29 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 17:50 Chicago O'Hare (ORD) 1 20:31 Buffalo (BUF)
Avianca AV 2278 Non-stop Boeing 737 MAX 8 (7M8) 1:41 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1335)
Tue-Sun 18:02 Chicago O'Hare (ORD) 1 20:54 Buffalo (BUF)
Avianca AV 2278 Non-stop Airbus A320 (320) 1:52 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 1335)
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Parallax here ORD-BUF


Avianca flights from Chicago O'Hare (ORD) to Buffalo (BUF).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective from 2026-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 265)
Duration: 1:39, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Effective 2026-01-06 through 2026-01-31
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1946)
Duration: 1:39, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-700 (73G)

Direct Codeshare Flights:

Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737 MAX 8 (7M8)

Direct Codeshare Flights:

Valid until 2026-01-04
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:52, non-stop
Airbus A320 (320)
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Parallax here ORD-BUF
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Buffalo airport (BUF).
  • The flight distance is 472 miles, or 759 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 1:39 and 1:52.