All airlines flying from Buffalo (BUF) to Chicago O'Hare (ORD).
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| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Sun
11:27
Buffalo (BUF)
12:42
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4206 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:15 Effective 2026-01-25 through 2026-02-08 Codeshare flight, operated by American Airlines.(AA 3703) |
| Mon-Wed,Fri
06:00
Buffalo (BUF)
06:59
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4232 Non-stop Airbus A319 (319) 1:59 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 1360) |
| Daily
06:00
Buffalo (BUF)
07:05
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4232 Non-stop Airbus A319 (319) 2:05 Effective 2026-02-13 through 2026-03-07 Codeshare flight, operated by American Airlines.(AA 853) |
| Sun
07:00
Buffalo (BUF)
08:18
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4232 Non-stop Embraer EMB 175 (E75) 2:18 Valid until 2026-01-04 Codeshare flight, operated by American Airlines.(AA 4747) |
| Daily
15:13
Buffalo (BUF)
16:10
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4373 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 3498) |
| Daily
08:06
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4382 Non-stop Boeing 737-800 (738) 1:59 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 2112) |
| Daily
08:11
Buffalo (BUF)
09:05
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4382 Non-stop Boeing 737-800 (738) 1:54 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 2112) |
| Sat
18:49
Buffalo (BUF)
20:02
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4382 Non-stop Embraer EMB 175 (E75) 2:13 Effective 2026-03-14 through 2026-04-04 Codeshare flight, operated by American Airlines.(AA 3342) |
| Daily
11:24
Buffalo (BUF)
12:24
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4409 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 3410) |
| Daily
12:32
Buffalo (BUF)
13:52
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4443 Non-stop Embraer EMB 175 (E75) 2:20 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4447) |
| Daily
17:01
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:59 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3445) |
| Daily
17:04
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4453 Non-stop Embraer EMB 175 (E75) 1:56 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3445) |
| Mon,Tue,Thu-Sun
18:29
Buffalo (BUF)
19:50
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4459 Non-stop Embraer EMB 175 (E75) 2:21 Valid until 2026-01-05 Codeshare flight, operated by American Airlines.(AA 4801) |
| Daily
05:13
Buffalo (BUF)
06:10
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4604 Non-stop Embraer EMB 175 (E75) 1:57 Effective 2026-04-07 through 2026-05-20 Codeshare flight, operated by American Airlines.(AA 4665) |
| Daily
17:00
Buffalo (BUF)
18:00
Chicago O'Hare (ORD) 3 Alaska Airlines AS 4617 Non-stop Embraer EMB 175 (E75) 2:00 Effective 2026-08-05 through 2026-09-08 Codeshare flight, operated by American Airlines.(AA 4076) |
| Daily
10:50
Buffalo (BUF)
11:55
Chicago O'Hare (ORD) 2 Air Canada AC 5215 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 5846) |
| Daily
10:50
Buffalo (BUF)
11:45
Chicago O'Hare (ORD) 2 Air Canada AC 5215 Non-stop Canadair CRJ 550 (CR5) 1:55 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 5846) |
| Daily
10:50
Buffalo (BUF)
11:45
Chicago O'Hare (ORD) 1 Air Canada AC 5215 Non-stop Airbus A319 (319) 1:55 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 1651) |
| Daily
06:30
Buffalo (BUF)
07:37
Chicago O'Hare (ORD) 1 Air Canada AC 5295 Non-stop Airbus A320 (320) 2:07 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 262) |
| Sun
06:51
Buffalo (BUF)
07:54
Chicago O'Hare (ORD) 1 Air Canada AC 5295 Non-stop Airbus A319 (319) 2:03 Effective 2026-03-08 through 2026-03-22 Codeshare flight, operated by United Airlines.(UA 543) |
| Daily
07:00
Buffalo (BUF)
08:00
Chicago O'Hare (ORD) 1 Air Canada AC 5295 Non-stop Airbus A319 (319) 2:00 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 543) |
| Mon-Sat
07:00
Buffalo (BUF)
08:00
Chicago O'Hare (ORD) 1 Air Canada AC 5295 Non-stop Airbus A319 (319) 2:00 Effective 2026-03-09 through 2026-03-28 Codeshare flight, operated by United Airlines.(UA 543) |
| Daily
07:00
Buffalo (BUF)
07:57
Chicago O'Hare (ORD) 1 Air Canada AC 5295 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 Air Canada AC 5295 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 Air Canada AC 5295 Non-stop Boeing 737 MAX 8 (7M8) 1:48 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 543) |
| Mon-Fri,Sun
17:23
Buffalo (BUF)
18:30
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Canadair CRJ 550 (CR5) 2:07 Effective 2026-01-06 through 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4448) |
| Thu
17:24
Buffalo (BUF)
18:33
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Canadair CRJ 550 (CR5) 2:09 Operates only on 2026-02-12 Codeshare flight, operated by United Airlines.(UA 4598) |
| Mon,Thu,Fri,Sun
17:24
Buffalo (BUF)
18:35
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2026-02-13 through 2026-03-02 Codeshare flight, operated by United Airlines.(UA 5522) |
| Mon-Fri
17:29
Buffalo (BUF)
18:40
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2026-03-05 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 3433) |
| Mon-Wed,Fri-Sun
17:35
Buffalo (BUF)
18:50
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Embraer EMB 175 (E7W) 2:15 Valid until 2026-01-05 Codeshare flight, operated by United Airlines.(UA 4761) |
| Thu
17:41
Buffalo (BUF)
18:48
Chicago O'Hare (ORD) 1 Air Canada AC 5352 Non-stop Airbus A319 (319) 2:07 Valid until 2026-01-01 Codeshare flight, operated by United Airlines.(UA 254) |
| Sun
17:46
Buffalo (BUF)
18:55
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Canadair CRJ 550 (CR5) 2:09 Effective 2026-03-08 through 2026-03-22 Codeshare flight, operated by United Airlines.(UA 5376) |
| Daily
17:50
Buffalo (BUF)
18:55
Chicago O'Hare (ORD) 2 Air Canada AC 5352 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-03-29 through 2026-04-29 Codeshare flight, operated by United Airlines.(UA 3433) |
| Daily
17:50
Buffalo (BUF)
18:38
Chicago O'Hare (ORD) 1 Air Canada AC 5352 Non-stop Boeing 737-700 (73G) 1:48 Effective 2026-04-30 through 2026-05-20 Codeshare flight, operated by United Airlines.(UA 2365) |
| Daily
17:50
Buffalo (BUF)
18:38
Chicago O'Hare (ORD) 1 Air Canada AC 5352 Non-stop Boeing 737-800 (738) 1:48 Effective from 2026-05-21 Codeshare flight, operated by United Airlines.(UA 2365) |
| Daily
13:52
Buffalo (BUF)
15:01
Chicago O'Hare (ORD) 2 Emirates EK 6025 Non-stop Canadair CRJ 550 (CR5) 2:09 Effective 2026-02-12 through 2026-03-07 Codeshare flight, operated by United Airlines.(UA 4381) |
| Daily
13:59
Buffalo (BUF)
15:04
Chicago O'Hare (ORD) 2 Emirates EK 6025 Non-stop Canadair CRJ 550 (CR5) 2:05 Valid until 2026-02-11 Codeshare flight, operated by United Airlines.(UA 4381) |
| Mon-Fri
17:29
Buffalo (BUF)
18:40
Chicago O'Hare (ORD) 2 Emirates EK 6025 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2026-03-09 through 2026-03-27 Codeshare flight, operated by United Airlines.(UA 3433) |
| Daily
17:50
Buffalo (BUF)
18:38
Chicago O'Hare (ORD) 1 Emirates EK 6025 Non-stop Boeing 737-800 (738) 1:48 Effective from 2026-10-25 Codeshare flight, operated by United Airlines.(UA 1653) |
| Daily
11:46
Buffalo (BUF)
12:40
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6184 Non-stop Embraer EMB 175 (E75) 1:54 Effective from 2026-10-05 Codeshare flight, operated by American Airlines.(AA 3410) |
| Sun
12:24
Buffalo (BUF)
13:32
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6240 Non-stop Embraer EMB 175 (E75) 2:08 Effective 2026-03-08 through 2026-04-05 Codeshare flight, operated by American Airlines.(AA 4420) |
| Tue,Wed
12:28
Buffalo (BUF)
13:52
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6240 Non-stop Embraer EMB 175 (E75) 2:24 Effective 2026-02-17 through 2026-03-04 Codeshare flight, operated by American Airlines.(AA 4420) |
| Mon-Fri
12:31
Buffalo (BUF)
13:45
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6240 Non-stop Embraer EMB 175 (E75) 2:14 Effective 2026-03-09 through 2026-04-06 Codeshare flight, operated by American Airlines.(AA 4420) |
| Mon,Thu,Fri
12:34
Buffalo (BUF)
14:04
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6240 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-12 through 2026-02-20 Codeshare flight, operated by American Airlines.(AA 4420) |
| Mon,Thu,Fri,Sun
12:34
Buffalo (BUF)
14:04
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6240 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-22 through 2026-03-06 Codeshare flight, operated by American Airlines.(AA 4420) |
| Daily
13:22
Buffalo (BUF)
14:15
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6327 Non-stop Airbus A319 (319) 1:53 Effective 2026-09-09 through 2026-10-04 Codeshare flight, operated by American Airlines.(AA 1414) |
| Daily
13:22
Buffalo (BUF)
14:20
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6412 Non-stop Embraer EMB 175 (E75) 1:58 Effective 2026-07-02 through 2026-08-04 Codeshare flight, operated by American Airlines.(AA 3444) |
| Daily
13:25
Buffalo (BUF)
14:20
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6412 Non-stop Embraer EMB 175 (E75) 1:55 Effective 2026-05-21 through 2026-07-01 Codeshare flight, operated by American Airlines.(AA 3444) |
| Sun
17:45
Buffalo (BUF)
19:15
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6417 Non-stop Embraer EMB 175 (E75) 2:30 Operates only on 2026-02-15 Codeshare flight, operated by American Airlines.(AA 4349) |
| Tue,Wed
17:48
Buffalo (BUF)
19:18
Chicago O'Hare (ORD) 3 Alaska Airlines AS 6417 Non-stop Embraer EMB 175 (E75) 2:30 Effective 2026-02-17 through 2026-03-04 Codeshare flight, operated by American Airlines.(AA 4349) |
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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 2:30.
