All airlines flying from Chicago O'Hare (ORD) to Buffalo (BUF).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sat
13:59
Chicago O'Hare (ORD) 3
16:40
Buffalo (BUF) American Airlines AA 3691 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:41 Effective 2026-01-24 through 2026-02-07 |
| Daily
13:48
Chicago O'Hare (ORD) 3
16:24
Buffalo (BUF) American Airlines AA 4076 Non-stop Embraer EMB 175 (E75) 1:36 Effective 2026-08-05 through 2026-09-08 |
| Mon-Fri,Sun
20:49
Chicago O'Hare (ORD) 3
23:31
Buffalo (BUF) American Airlines AA 4336 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2026-03-08 through 2026-04-06 |
| Sun
14:34
Chicago O'Hare (ORD) 3
17:15
Buffalo (BUF) American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 1:41 Operates only on 2026-02-15 |
| Mon-Fri
14:37
Chicago O'Hare (ORD) 3
17:18
Buffalo (BUF) American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-02-12 through 2026-02-20 |
| Mon-Fri,Sun
14:37
Chicago O'Hare (ORD) 3
17:18
Buffalo (BUF) American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2026-02-22 through 2026-03-06 |
| Mon-Fri,Sun
14:38
Chicago O'Hare (ORD) 3
17:21
Buffalo (BUF) American Airlines AA 4349 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-03-08 through 2026-04-06 |
| Daily
10:30
Chicago O'Hare (ORD) 2
13:12
Buffalo (BUF) United Airlines UA 4382 Non-stop Canadair CRJ 550 (CR5) 1:42 Effective 2026-02-12 through 2026-03-04 |
| Daily
10:35
Chicago O'Hare (ORD) 2
13:24
Buffalo (BUF) United Airlines UA 4382 Non-stop Canadair CRJ 550 (CR5) 1:49 Valid until 2026-01-05 |
| Daily
10:35
Chicago O'Hare (ORD) 2
13:10
Buffalo (BUF) United Airlines UA 4382 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective from 2026-03-29 |
| Daily
08:00
Chicago O'Hare (ORD) 3
10:46
Buffalo (BUF) American Airlines AA 4386 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2026-04-07 through 2026-05-20 |
| Sat
16:29
Chicago O'Hare (ORD) 3
19:16
Buffalo (BUF) American Airlines AA 4402 Non-stop Embraer EMB 175 (E75) 1:47 Operates only on 2026-01-17 |
| Daily
21:05
Chicago O'Hare (ORD) 3
23:48
Buffalo (BUF) American Airlines AA 4402 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-01-06 through 2026-01-16 |
| Daily
21:05
Chicago O'Hare (ORD) 3
23:48
Buffalo (BUF) American Airlines AA 4402 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-01-18 through 2026-02-11 |
| Mon,Tue
10:35
Chicago O'Hare (ORD) 2
13:24
Buffalo (BUF) United Airlines UA 4403 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-02-09 through 2026-02-10 |
| Sat
10:35
Chicago O'Hare (ORD) 2
13:24
Buffalo (BUF) United Airlines UA 4417 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-01-10 through 2026-02-07 |
| Tue,Wed
09:00
Chicago O'Hare (ORD) 3
11:44
Buffalo (BUF) American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2026-02-17 through 2026-03-04 |
| Thu
09:05
Chicago O'Hare (ORD) 3
11:49
Buffalo (BUF) American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 1:44 Operates only on 2026-02-12 |
| Mon-Fri,Sun
09:05
Chicago O'Hare (ORD) 3
11:54
Buffalo (BUF) American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 1:49 Effective 2026-03-08 through 2026-04-06 |
| Mon,Thu,Fri
09:20
Chicago O'Hare (ORD) 3
12:04
Buffalo (BUF) American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2026-02-13 through 2026-02-20 |
| Mon,Thu,Fri,Sun
09:20
Chicago O'Hare (ORD) 3
12:04
Buffalo (BUF) American Airlines AA 4420 Non-stop Embraer EMB 175 (E75) 1:44 Effective 2026-02-22 through 2026-03-06 |
| Daily
18:30
Chicago O'Hare (ORD) 3
21:13
Buffalo (BUF) American Airlines AA 4423 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-04-07 through 2026-05-20 |
| Daily
09:10
Chicago O'Hare (ORD) 3
12:02
Buffalo (BUF) American Airlines AA 4447 Non-stop Embraer EMB 175 (E75) 1:52 Valid until 2026-01-05 |
| Mon-Fri,Sun
13:55
Chicago O'Hare (ORD) 2
16:44
Buffalo (BUF) United Airlines UA 4449 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-01-25 through 2026-02-03 |
| Mon-Fri,Sun
13:55
Chicago O'Hare (ORD) 2
16:44
Buffalo (BUF) United Airlines UA 4449 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-02-05 through 2026-02-11 |
| Thu
13:55
Chicago O'Hare (ORD) 2
16:37
Buffalo (BUF) United Airlines UA 4546 Non-stop Canadair CRJ 550 (CR5) 1:42 Operates only on 2026-02-12 |
| Fri
19:54
Chicago O'Hare (ORD) 3
22:49
Buffalo (BUF) American Airlines AA 4572 Non-stop Embraer EMB 175 (E75) 1:55 Valid until 2026-01-02 |
| Daily
15:16
Chicago O'Hare (ORD) 3
17:59
Buffalo (BUF) American Airlines AA 4801 Non-stop Embraer EMB 175 (E75) 1:43 Valid until 2026-01-05 |
| Thu
13:55
Chicago O'Hare (ORD) 2
16:42
Buffalo (BUF) United Airlines UA 5376 Non-stop Embraer EMB 175 (E7W) 1:47 Effective 2026-02-19 through 2026-02-26 |
| Mon,Fri,Sun
13:58
Chicago O'Hare (ORD) 2
16:43
Buffalo (BUF) United Airlines UA 5376 Non-stop Embraer EMB 175 (E7W) 1:45 Effective 2026-02-13 through 2026-03-02 |
| Daily
10:35
Chicago O'Hare (ORD) 2
13:17
Buffalo (BUF) United Airlines UA 5428 Non-stop Canadair CRJ 550 (CR5) 1:42 Effective 2026-03-05 through 2026-03-28 |
| Mon-Fri,Sun
10:35
Chicago O'Hare (ORD) 2
13:24
Buffalo (BUF) United Airlines UA 5529 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-01-06 through 2026-02-08 |
| Wed
10:35
Chicago O'Hare (ORD) 2
13:24
Buffalo (BUF) United Airlines UA 5529 Non-stop Canadair CRJ 550 (CR5) 1:49 Operates only on 2026-02-11 |
| Daily
07:10
Chicago O'Hare (ORD) 2
10:00
Buffalo (BUF) United Airlines UA 5553 Non-stop Embraer EMB 175 (E7W) 1:50 Effective 2026-03-29 through 2026-04-29 |
| Daily
07:10
Chicago O'Hare (ORD) 2
09:49
Buffalo (BUF) United Airlines UA 5553 Non-stop Canadair CRJ 550 (CR5) 1:39 Effective 2026-04-30 through 2026-05-20 |
| Mon-Fri,Sun
13:55
Chicago O'Hare (ORD) 2
16:44
Buffalo (BUF) United Airlines UA 5597 Non-stop Canadair CRJ 550 (CR5) 1:49 Effective 2026-01-06 through 2026-01-23 |
| Wed
13:55
Chicago O'Hare (ORD) 2
16:44
Buffalo (BUF) United Airlines UA 5597 Non-stop Canadair CRJ 550 (CR5) 1:49 Operates only on 2026-02-04 |
| Sun
14:31
Chicago O'Hare (ORD) 2
17:11
Buffalo (BUF) United Airlines UA 5601 Non-stop Canadair CRJ 550 (CR5) 1:40 Effective 2026-03-08 through 2026-03-22 |
| Mon-Wed,Fri-Sun
14:04
Chicago O'Hare (ORD) 2
16:54
Buffalo (BUF) United Airlines UA 5744 Non-stop Embraer EMB 175 (E7W) 1:50 Valid until 2026-01-05 |
| Direct Codeshare Flights: |
| Daily
17:50
Chicago O'Hare (ORD) 1
20:29
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A319 (319) 1:39 Effective 2026-01-06 through 2026-02-06 Codeshare flight, operated by United Airlines.(UA 1946) |
| Sat
17:50
Chicago O'Hare (ORD) 1
20:29
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Boeing 737-800 (738) 1:39 Operates only on 2026-02-07 Codeshare flight, operated by United Airlines.(UA 1946) |
| Mon-Wed,Sun
17:50
Chicago O'Hare (ORD) 1
20:29
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A319 (319) 1:39 Effective 2026-02-08 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 1946) |
| Daily
17:50
Chicago O'Hare (ORD) 1
20:31
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Boeing 737-700 (73G) 1:41 Effective 2026-03-29 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 1335Z) |
| Daily
17:50
Chicago O'Hare (ORD) 1
20:31
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Boeing 737 MAX 8 (7M8) 1:41 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 1335) |
| Mon,Tue,Thu-Sun
18:02
Chicago O'Hare (ORD) 1
20:54
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A320 (320) 1:52 Valid until 2026-01-04 Codeshare flight, operated by United Airlines.(UA 1335) |
| Mon
18:02
Chicago O'Hare (ORD) 1
20:54
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A319 (319) 1:52 Operates only on 2026-01-05 Codeshare flight, operated by United Airlines.(UA 1335) |
| Daily
18:05
Chicago O'Hare (ORD) 1
20:46
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A319 (319) 1:41 Effective 2026-03-05 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 1335) |
| Daily
18:10
Chicago O'Hare (ORD) 1
20:51
Buffalo (BUF) Copa Airlines CM 1365 Non-stop Airbus A319 (319) 1:41 Effective 2026-02-12 through 2026-03-04 Codeshare flight, operated by United Airlines.(UA 1335) |
| Daily
07:10
Chicago O'Hare (ORD) 2
10:00
Buffalo (BUF) Air New Zealand NZ 2111 Non-stop Embraer EMB 175 (E7W) 1:50 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 5553) |
| Daily
07:10
Chicago O'Hare (ORD) 2
09:49
Buffalo (BUF) Air New Zealand NZ 2111 Non-stop Canadair CRJ 550 (CR5) 1:39 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 5553) |
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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 1:28 and 1:55.
