British Airways flight BA 5131: Chicago O'Hare - Buffalo

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 11:40 Chicago O'Hare (ORD) 3 14:12 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:32 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3498)
Daily 13:10 Chicago O'Hare (ORD) 3 15:52 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3380)
Daily 13:48 Chicago O'Hare (ORD) 3 16:24 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4076)
Mon-Fri,Sun 13:54 Chicago O'Hare (ORD) 3 16:35 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3691)
Sat 13:59 Chicago O'Hare (ORD) 3 16:40 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-01-24 through 2026-02-07
Codeshare flight, operated by American Airlines.(AA 3691)
Sat 14:28 Chicago O'Hare (ORD) 3 17:04 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:36 Operates only on 2026-02-14
Codeshare flight, operated by American Airlines.(AA 3342)
Sun 14:34 Chicago O'Hare (ORD) 3 17:15 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:41 Operates only on 2026-02-15
Codeshare flight, operated by American Airlines.(AA 4349)
Mon-Fri 14:37 Chicago O'Hare (ORD) 3 17:18 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-02-12 through 2026-02-20
Codeshare flight, operated by American Airlines.(AA 4349)
Mon-Fri,Sun 14:37 Chicago O'Hare (ORD) 3 17:18 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-02-22 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4349)
Mon-Fri,Sun 14:38 Chicago O'Hare (ORD) 3 17:21 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4349)
Daily 15:16 Chicago O'Hare (ORD) 3 17:59 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:43 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4801)
Sat 15:18 Chicago O'Hare (ORD) 3 17:54 Buffalo (BUF)
BA 5131 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-02-21 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3342)
Daily 16:45 Chicago O'Hare (ORD) 3 19:16 Buffalo (BUF)
BA 5131 Non-stop Boeing 737-800 (738) 1:31 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 403)
Daily 16:45 Chicago O'Hare (ORD) 3 19:21 Buffalo (BUF)
BA 5131 Non-stop Boeing 737-800 (738) 1:36 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 403)
Daily 20:25 Chicago O'Hare (ORD) 3 23:10 Buffalo (BUF)
BA 5131 Non-stop Boeing 737-800 (738) 1:45 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 513)
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British Airways flight BA 5131:
Chicago O'Hare - Buffalo
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
British Airways BA5131
11:40
Chicago O'Hare (ORD) 3

14:12
Buffalo (BUF)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3498)
Duration: 1:32, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA5131
13:10
Chicago O'Hare (ORD) 3

15:52
Buffalo (BUF)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3380)
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
13:48
Chicago O'Hare (ORD) 3

16:24
Buffalo (BUF)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4076)
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
13:54
Chicago O'Hare (ORD) 3

16:35
Buffalo (BUF)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3691)
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA5131
13:59
Chicago O'Hare (ORD) 3

16:40
Buffalo (BUF)
Effective 2026-01-24 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3691)
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
British Airways BA5131
14:28
Chicago O'Hare (ORD) 3

17:04
Buffalo (BUF)
Operates only on 2026-02-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3342)
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
14:34
Chicago O'Hare (ORD) 3

17:15
Buffalo (BUF)
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
14:37
Chicago O'Hare (ORD) 3

17:18
Buffalo (BUF)
Effective 2026-02-12 through 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
14:37
Chicago O'Hare (ORD) 3

17:18
Buffalo (BUF)
Effective 2026-02-22 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
14:38
Chicago O'Hare (ORD) 3

17:21
Buffalo (BUF)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4349)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
15:16
Chicago O'Hare (ORD) 3

17:59
Buffalo (BUF)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4801)
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
15:18
Chicago O'Hare (ORD) 3

17:54
Buffalo (BUF)
Effective 2026-02-21 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3342)
Duration: 1:36, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
British Airways BA5131
16:45
Chicago O'Hare (ORD) 3

19:16
Buffalo (BUF)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 403)
Duration: 1:31, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
British Airways BA5131
16:45
Chicago O'Hare (ORD) 3

19:21
Buffalo (BUF)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 403)
Duration: 1:36, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
British Airways BA5131
20:25
Chicago O'Hare (ORD) 3

23:10
Buffalo (BUF)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 513)
Duration: 1:45, non-stop
Boeing 737-800 (738)
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  • BA 5131 is a domestic flight 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 1:31 and 1:45.
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