American Airlines flights from Buffalo (BUF) to Chicago O'Hare (ORD).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
06:00
Buffalo (BUF)
07:05
Chicago O'Hare (ORD) 3 American Airlines AA 853 Non-stop Airbus A319 (319) 2:05 Effective 2026-02-13 through 2026-03-07 |
| Daily
05:13
Buffalo (BUF)
06:05
Chicago O'Hare (ORD) 3 American Airlines AA 1195 Non-stop Airbus A319 (319) 1:52 Effective 2026-07-02 through 2026-08-04 |
| Daily
05:16
Buffalo (BUF)
06:05
Chicago O'Hare (ORD) 3 American Airlines AA 1195 Non-stop Airbus A319 (319) 1:49 Effective 2026-05-21 through 2026-07-01 |
| Daily
06:26
Buffalo (BUF)
07:25
Chicago O'Hare (ORD) 3 American Airlines AA 1195 Non-stop Boeing 737-800 (738) 1:59 Effective from 2026-10-05 |
| Daily
06:30
Buffalo (BUF)
07:25
Chicago O'Hare (ORD) 3 American Airlines AA 1195 Non-stop Boeing 737-800 (738) 1:55 Effective 2026-08-05 through 2026-09-08 |
| Daily
08:11
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 American Airlines AA 1195 Non-stop Boeing 737-800 (738) 1:54 Effective 2026-09-09 through 2026-10-04 |
| Mon-Wed,Fri
06:00
Buffalo (BUF)
06:59
Chicago O'Hare (ORD) 3 American Airlines AA 1360 Non-stop Airbus A319 (319) 1:59 Valid until 2026-01-05 |
| Daily
13:22
Buffalo (BUF)
14:15
Chicago O'Hare (ORD) 3 American Airlines AA 1414 Non-stop Airbus A319 (319) 1:53 Effective 2026-09-09 through 2026-10-04 |
| Daily
08:06
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 American Airlines AA 2112 Non-stop Boeing 737-800 (738) 1:59 Effective 2026-05-21 through 2026-07-01 |
| Daily
08:11
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 American Airlines AA 2112 Non-stop Boeing 737-800 (738) 1:54 Effective 2026-07-02 through 2026-08-04 |
| Tue
08:00
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 American Airlines AA 2155 Non-stop Airbus A319 (319) 2:05 Operates only on 2026-01-06 |
| Sun
06:09
Buffalo (BUF)
07:11
Chicago O'Hare (ORD) 3 American Airlines AA 2156 Non-stop Airbus A319 (319) 2:02 Effective 2026-03-08 through 2026-04-05 |
| Sat
17:34
Buffalo (BUF)
18:50
Chicago O'Hare (ORD) 3 American Airlines AA 3342 Non-stop Embraer EMB 175 (E75) 2:16 Operates only on 2026-02-14 |
| Sat
18:37
Buffalo (BUF)
19:53
Chicago O'Hare (ORD) 3 American Airlines AA 3342 Non-stop Embraer EMB 175 (E75) 2:16 Effective 2026-02-21 through 2026-03-07 |
| Sat
18:49
Buffalo (BUF)
20:02
Chicago O'Hare (ORD) 3 American Airlines AA 3342 Non-stop Embraer EMB 175 (E75) 2:13 Effective 2026-03-14 through 2026-04-04 |
| Daily
17:00
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 3380 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-09-09 through 2026-10-04 |
| Daily
18:49
Buffalo (BUF)
19:50
Chicago O'Hare (ORD) 3 American Airlines AA 3401 Non-stop Embraer EMB 175 (E75) 2:01 Effective from 2026-10-05 |
| Daily
11:24
Buffalo (BUF)
12:24
Chicago O'Hare (ORD) 3 American Airlines AA 3410 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-08-05 through 2026-09-08 |
| Daily
11:46
Buffalo (BUF)
12:40
Chicago O'Hare (ORD) 3 American Airlines AA 3410 Non-stop Embraer EMB 175 (E75) 1:54 Effective from 2026-10-05 |
| Daily
13:22
Buffalo (BUF)
14:20
Chicago O'Hare (ORD) 3 American Airlines AA 3444 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-07-02 through 2026-08-04 |
| Daily
13:25
Buffalo (BUF)
14:20
Chicago O'Hare (ORD) 3 American Airlines AA 3444 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-05-21 through 2026-07-01 |
| Daily
17:01
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 3445 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2026-07-02 through 2026-08-04 |
| Daily
17:04
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 3445 Non-stop Embraer EMB 175 (E75) 1:56 Effective 2026-05-21 through 2026-07-01 |
| Daily
10:16
Buffalo (BUF)
11:10
Chicago O'Hare (ORD) 3 American Airlines AA 3497 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2026-04-07 through 2026-05-20 |
| Daily
15:13
Buffalo (BUF)
16:10
Chicago O'Hare (ORD) 3 American Airlines AA 3498 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2026-04-07 through 2026-05-20 |
| Daily
17:03
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 3500 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2026-04-07 through 2026-05-20 |
| Tue,Wed
11:21
Buffalo (BUF)
12:36
Chicago O'Hare (ORD) 3 American Airlines AA 3703 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-01-06 through 2026-02-11 |
| Mon,Thu-Sat
11:22
Buffalo (BUF)
12:37
Chicago O'Hare (ORD) 3 American Airlines AA 3703 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-01-08 through 2026-02-09 |
| Sun
11:27
Buffalo (BUF)
12:42
Chicago O'Hare (ORD) 3 American Airlines AA 3703 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Operates only on 2026-01-11 |
| Sun
11:27
Buffalo (BUF)
12:42
Chicago O'Hare (ORD) 3 American Airlines AA 3703 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-01-25 through 2026-02-08 |
| Daily
17:00
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 American Airlines AA 4076 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-08-05 through 2026-09-08 |
| Mon-Fri,Sun
17:16
Buffalo (BUF)
18:40
Chicago O'Hare (ORD) 3 American Airlines AA 4183 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:24 Effective 2026-01-06 through 2026-02-11 |
| Sat
17:17
Buffalo (BUF)
18:41
Chicago O'Hare (ORD) 3 American Airlines AA 4183 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:24 Effective 2026-01-24 through 2026-02-07 |
| Sat
06:00
Buffalo (BUF)
07:15
Chicago O'Hare (ORD) 3 American Airlines AA 4340 Non-stop Embraer EMB 175 (E75) 2:15 Effective 2026-03-14 through 2026-04-04 |
| Mon-Fri
06:05
Buffalo (BUF)
07:20
Chicago O'Hare (ORD) 3 American Airlines AA 4340 Non-stop Embraer EMB 175 (E75) 2:15 Effective 2026-03-09 through 2026-04-06 |
| Sun
17:45
Buffalo (BUF)
19:15
Chicago O'Hare (ORD) 3 American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 2:30 Operates only on 2026-02-15 |
| Tue,Wed
17:48
Buffalo (BUF)
19:18
Chicago O'Hare (ORD) 3 American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-17 through 2026-03-04 |
| Mon,Thu,Fri
17:50
Buffalo (BUF)
19:20
Chicago O'Hare (ORD) 3 American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-12 through 2026-02-20 |
| Mon,Thu,Fri,Sun
17:50
Buffalo (BUF)
19:20
Chicago O'Hare (ORD) 3 American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-22 through 2026-03-06 |
| Mon-Fri,Sun
17:51
Buffalo (BUF)
19:12
Chicago O'Hare (ORD) 3 American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 2:21 Effective 2026-03-08 through 2026-04-06 |
| Daily
13:22
Buffalo (BUF)
14:20
Chicago O'Hare (ORD) 3 American Airlines AA 4386 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-04-07 through 2026-05-20 |
| Sun
12:24
Buffalo (BUF)
13:32
Chicago O'Hare (ORD) 3 American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 2:08 Effective 2026-03-08 through 2026-04-05 |
| Tue,Wed
12:28
Buffalo (BUF)
13:52
Chicago O'Hare (ORD) 3 American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 2:24 Effective 2026-02-17 through 2026-03-04 |
| Mon-Fri
12:31
Buffalo (BUF)
13:45
Chicago O'Hare (ORD) 3 American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 2:14 Effective 2026-03-09 through 2026-04-06 |
| Mon,Thu,Fri
12:34
Buffalo (BUF)
14:04
Chicago O'Hare (ORD) 3 American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-12 through 2026-02-20 |
| Mon,Thu,Fri,Sun
12:34
Buffalo (BUF)
14:04
Chicago O'Hare (ORD) 3 American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-22 through 2026-03-06 |
| Daily
12:32
Buffalo (BUF)
13:52
Chicago O'Hare (ORD) 3 American Airlines AA 4447 Non-stop Embraer EMB 175 (E75) 2:20 Valid until 2026-01-05 |
| Thu
06:02
Buffalo (BUF)
07:20
Chicago O'Hare (ORD) 3 American Airlines AA 4511 Non-stop Embraer EMB 175 (E75) 2:18 Operates only on 2026-01-01 |
| Sat
06:42
Buffalo (BUF)
08:05
Chicago O'Hare (ORD) 3 American Airlines AA 4595 Non-stop Embraer EMB 175 (E75) 2:23 Operates only on 2026-01-10 |
| Mon-Fri,Sun
07:30
Buffalo (BUF)
08:53
Chicago O'Hare (ORD) 3 American Airlines AA 4595 Non-stop Embraer EMB 175 (E75) 2:23 Effective 2026-01-07 through 2026-01-16 |
1
2
- 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 1:49 and 2:30.
