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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue-Sun 06:30 Buffalo (BUF) 07:37 Chicago O'Hare (ORD) 1
Avianca AV 2279 Non-stop Airbus A320 (320) 2:07 Valid until 2026-01-04
Codeshare flight, operated by United Airlines.(UA 262)
Daily 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1
Avianca AV 2279 Non-stop Boeing 737-700 (73G) 1:57 Effective 2026-03-29 through 2026-04-29
Codeshare flight, operated by United Airlines.(UA 543)
Daily 07:00 Buffalo (BUF) 07:48 Chicago O'Hare (ORD) 1
Avianca AV 2279 Non-stop Boeing 737-700 (73G) 1:48 Effective 2026-04-30 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 543)
Daily 07:00 Buffalo (BUF) 07:48 Chicago O'Hare (ORD) 1
Avianca AV 2279 Non-stop Boeing 737 MAX 8 (7M8) 1:48 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 543)
Thu 08:30 Buffalo (BUF) 09:37 Chicago O'Hare (ORD) 1
Avianca AV 2279 Non-stop Airbus A319 (319) 2:07 Operates only on 2026-01-29
Codeshare flight, operated by United Airlines.(UA 228)
Daily 13:52 Buffalo (BUF) 15:01 Chicago O'Hare (ORD) 2
Avianca AV 2279 Non-stop Canadair CRJ 550 (CR5) 2:09 Effective 2026-02-12 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:55 Buffalo (BUF) 14:48 Chicago O'Hare (ORD) 2
Avianca AV 2279 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 4381)
Mon 13:59 Buffalo (BUF) 15:04 Chicago O'Hare (ORD) 2
Avianca AV 2279 Non-stop Canadair CRJ 550 (CR5) 2:05 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:59 Buffalo (BUF) 15:04 Chicago O'Hare (ORD) 2
Avianca AV 2279 Non-stop Canadair CRJ 550 (CR5) 2:05 Effective 2026-01-06 through 2026-01-28
Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:59 Buffalo (BUF) 15:04 Chicago O'Hare (ORD) 2
Avianca AV 2279 Non-stop Canadair CRJ 550 (CR5) 2:05 Effective 2026-01-30 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 4381)
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Avianca flights from Buffalo (BUF) to Chicago O'Hare (ORD).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Avianca AV2279
06:30
Buffalo (BUF)

07:37
Chicago O'Hare (ORD) 1
Valid until 2026-01-04
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 262)
Duration: 2:07, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Avianca AV2279
07:00
Buffalo (BUF)

07:57
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 543)
Duration: 1:57, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Avianca AV2279
07:00
Buffalo (BUF)

07:48
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 543)
Duration: 1:48, non-stop
Boeing 737-700 (73G)
Direct Codeshare Flights:
Avianca AV2279
07:00
Buffalo (BUF)

07:48
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 543)
Duration: 1:48, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Avianca AV2279
08:30
Buffalo (BUF)

09:37
Chicago O'Hare (ORD) 1
Operates only on 2026-01-29
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 228)
Duration: 2:07, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Avianca AV2279
13:52
Buffalo (BUF)

15:01
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4381)
Duration: 2:09, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2279
13:55
Buffalo (BUF)

14:48
Chicago O'Hare (ORD) 2
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4381)
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2279
13:59
Buffalo (BUF)

15:04
Chicago O'Hare (ORD) 2
Valid until 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 4381)
Duration: 2:05, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2279
13:59
Buffalo (BUF)

15:04
Chicago O'Hare (ORD) 2
Effective 2026-01-06 through 2026-01-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4381)
Duration: 2:05, non-stop
Canadair CRJ 550 (CR5)
Direct Codeshare Flights:
Avianca AV2279
13:59
Buffalo (BUF)

15:04
Chicago O'Hare (ORD) 2
Effective 2026-01-30 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4381)
Duration: 2:05, non-stop
Canadair CRJ 550 (CR5)
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Parallax here BUF-ORD
  • A domestic route departing from the Buffalo airport (BUF) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 472 miles, or 759 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 1:48 and 2:09.
All BUF-ORD flights
All Avianca flights
Return (ORD-BUF) flights
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