American Airlines flights from Buffalo (BUF) to O'Hare, Chicago (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:58 Buffalo (BUF) 07:50 O'Hare, Chicago (ORD) 3
American Airlines AA 3353 Non-stop Embraer EMB 175 (E75) 1:52 Effective 2023-03-26 through 2023-10-28
Daily 10:23 Buffalo (BUF) 11:15 O'Hare, Chicago (ORD) 3
American Airlines AA 3369 Non-stop Embraer EMB 175 (E75) 1:52 Effective 2023-03-26 through 2023-10-28
Daily 18:49 Buffalo (BUF) 19:45 O'Hare, Chicago (ORD) 3
American Airlines AA 3430 Non-stop Embraer ERJ 145 (ER4) 1:56 Effective from 2023-10-29
Daily 13:30 Buffalo (BUF) 14:25 O'Hare, Chicago (ORD) 3
American Airlines AA 3510 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2023-03-26 through 2023-05-31
Daily 13:30 Buffalo (BUF) 14:25 O'Hare, Chicago (ORD) 3
American Airlines AA 3510 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2023-08-15 through 2023-10-28
Daily 18:50 Buffalo (BUF) 19:45 O'Hare, Chicago (ORD) 3
American Airlines AA 3513 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2023-03-26 through 2023-10-28
Sat,Sun 06:16 Buffalo (BUF) 07:14 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:58 Effective 2023-03-04 through 2023-03-25
Tue 06:23 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 175 (E75) 2:07 Operates only on 2023-01-10
Sun 06:23 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:07 Operates only on 2023-01-22
Mon-Fri 06:26 Buffalo (BUF) 07:24 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2023-03-01 through 2023-03-24
Daily 06:28 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 175 (E75) 2:02 Valid until 2023-01-09
Daily 06:51 Buffalo (BUF) 07:50 O'Hare, Chicago (ORD) 3
American Airlines AA 4053 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective from 2023-10-29
Daily 11:51 Buffalo (BUF) 12:45 O'Hare, Chicago (ORD) 3
American Airlines AA 4093 Non-stop Embraer EMB 175 (E75) 1:54 Effective from 2023-10-29
Sun 17:12 Buffalo (BUF) 18:13 O'Hare, Chicago (ORD) 3
American Airlines AA 4121 Non-stop Embraer EMB 175 (E75) 2:01 Operates only on 2023-01-15
Mon,Thu-Sun 17:35 Buffalo (BUF) 18:29 O'Hare, Chicago (ORD) 3
American Airlines AA 4121 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2023-03-02 through 2023-03-25
Tue,Wed 17:36 Buffalo (BUF) 18:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4121 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2023-03-01 through 2023-03-22
Mon-Fri,Sun 17:49 Buffalo (BUF) 18:40 O'Hare, Chicago (ORD) 3
American Airlines AA 4121 Non-stop Embraer EMB 175 (E75) 1:51 Valid until 2023-01-04
Mon,Sat,Sun 17:49 Buffalo (BUF) 18:40 O'Hare, Chicago (ORD) 3
American Airlines AA 4121 Non-stop Embraer EMB 175 (E75) 1:51 Effective 2023-01-07 through 2023-01-09
Mon-Sat 11:07 Buffalo (BUF) 12:07 O'Hare, Chicago (ORD) 3
American Airlines AA 4220 Non-stop Embraer ERJ 145 (ER4) 2:00 Valid until 2023-01-07
Mon,Sun 11:07 Buffalo (BUF) 12:07 O'Hare, Chicago (ORD) 3
American Airlines AA 4220 Non-stop Embraer ERJ 145 (ER4) 2:00 Effective 2023-01-08 through 2023-01-09
Daily 06:24 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4687 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2023-02-03 through 2023-02-18
Daily 06:24 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4687 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2023-02-20 through 2023-02-28
Mon,Thu,Fri,Sun 17:00 Buffalo (BUF) 18:09 O'Hare, Chicago (ORD) 3
American Airlines AA 4701 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2023-02-03 through 2023-02-27
Sat 17:27 Buffalo (BUF) 18:36 O'Hare, Chicago (ORD) 3
American Airlines AA 4701 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2023-02-04 through 2023-02-25
Tue,Wed 17:36 Buffalo (BUF) 18:45 O'Hare, Chicago (ORD) 3
American Airlines AA 4701 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2023-02-07 through 2023-02-28
Thu,Fri 17:36 Buffalo (BUF) 18:37 O'Hare, Chicago (ORD) 3
American Airlines AA 4709 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2023-01-12 through 2023-01-13
Thu,Fri,Sun 17:36 Buffalo (BUF) 18:37 O'Hare, Chicago (ORD) 3
American Airlines AA 4709 Non-stop Embraer EMB 175 (E75) 2:01 Effective 2023-01-19 through 2023-02-02
Daily 06:23 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4710 Non-stop Embraer EMB 175 (E75) 2:07 Effective 2023-01-11 through 2023-01-21
Daily 06:23 Buffalo (BUF) 07:30 O'Hare, Chicago (ORD) 3
American Airlines AA 4710 Non-stop Embraer EMB 175 (E75) 2:07 Effective 2023-01-23 through 2023-02-02




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American Airlines flights from Buffalo (BUF) to O'Hare, Chicago (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3353
06:58
Buffalo (BUF)

07:50
O'Hare, Chicago (ORD) 3
Effective 2023-03-26 through 2023-10-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E75)
American Airlines AA3369
10:23
Buffalo (BUF)

11:15
O'Hare, Chicago (ORD) 3
Effective 2023-03-26 through 2023-10-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E75)
American Airlines AA3430
18:49
Buffalo (BUF)

19:45
O'Hare, Chicago (ORD) 3
Effective from 2023-10-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Embraer ERJ 145 (ER4)
American Airlines AA3510
13:30
Buffalo (BUF)

14:25
O'Hare, Chicago (ORD) 3
Effective 2023-03-26 through 2023-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
American Airlines AA3510
13:30
Buffalo (BUF)

14:25
O'Hare, Chicago (ORD) 3
Effective 2023-08-15 through 2023-10-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
American Airlines AA3513
18:50
Buffalo (BUF)

19:45
O'Hare, Chicago (ORD) 3
Effective 2023-03-26 through 2023-10-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
American Airlines AA4053
06:16
Buffalo (BUF)

07:14
O'Hare, Chicago (ORD) 3
Effective 2023-03-04 through 2023-03-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:58, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4053
06:23
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Operates only on 2023-01-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:07, non-stop
Embraer EMB 175 (E75)
American Airlines AA4053
06:23
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Operates only on 2023-01-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4053
06:26
Buffalo (BUF)

07:24
O'Hare, Chicago (ORD) 3
Effective 2023-03-01 through 2023-03-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:58, non-stop
Embraer EMB 175 (E75)
American Airlines AA4053
06:28
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Valid until 2023-01-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:02, non-stop
Embraer EMB 175 (E75)
American Airlines AA4053
06:51
Buffalo (BUF)

07:50
O'Hare, Chicago (ORD) 3
Effective from 2023-10-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4093
11:51
Buffalo (BUF)

12:45
O'Hare, Chicago (ORD) 3
Effective from 2023-10-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
17:12
Buffalo (BUF)

18:13
O'Hare, Chicago (ORD) 3
Operates only on 2023-01-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
17:35
Buffalo (BUF)

18:29
O'Hare, Chicago (ORD) 3
Effective 2023-03-02 through 2023-03-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
17:36
Buffalo (BUF)

18:30
O'Hare, Chicago (ORD) 3
Effective 2023-03-01 through 2023-03-22
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
17:49
Buffalo (BUF)

18:40
O'Hare, Chicago (ORD) 3
Valid until 2023-01-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
17:49
Buffalo (BUF)

18:40
O'Hare, Chicago (ORD) 3
Effective 2023-01-07 through 2023-01-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 1:51, non-stop
Embraer EMB 175 (E75)
American Airlines AA4220
11:07
Buffalo (BUF)

12:07
O'Hare, Chicago (ORD) 3
Valid until 2023-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:00, non-stop
Embraer ERJ 145 (ER4)
American Airlines AA4220
11:07
Buffalo (BUF)

12:07
O'Hare, Chicago (ORD) 3
Effective 2023-01-08 through 2023-01-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:00, non-stop
Embraer ERJ 145 (ER4)
American Airlines AA4687
06:24
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Effective 2023-02-03 through 2023-02-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
American Airlines AA4687
06:24
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Effective 2023-02-20 through 2023-02-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
American Airlines AA4701
17:00
Buffalo (BUF)

18:09
O'Hare, Chicago (ORD) 3
Effective 2023-02-03 through 2023-02-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4701
17:27
Buffalo (BUF)

18:36
O'Hare, Chicago (ORD) 3
Effective 2023-02-04 through 2023-02-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4701
17:36
Buffalo (BUF)

18:45
O'Hare, Chicago (ORD) 3
Effective 2023-02-07 through 2023-02-28
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4709
17:36
Buffalo (BUF)

18:37
O'Hare, Chicago (ORD) 3
Effective 2023-01-12 through 2023-01-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA4709
17:36
Buffalo (BUF)

18:37
O'Hare, Chicago (ORD) 3
Effective 2023-01-19 through 2023-02-02
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA4710
06:23
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Effective 2023-01-11 through 2023-01-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:07, non-stop
Embraer EMB 175 (E75)
American Airlines AA4710
06:23
Buffalo (BUF)

07:30
O'Hare, Chicago (ORD) 3
Effective 2023-01-23 through 2023-02-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:07, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Buffalo airport (BUF) and arriving at O'Hare, Chicago 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 1:51 and 2:09.
All BUF-ORD flights
All American Airlines flights
Return (ORD-BUF) flights
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