All airlines flying from Buffalo (BUF) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Codeshare Flights:
Sun 18:00 Buffalo (BUF) 18:50 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737-700 (73G) 1:50 Operates only on 2024-09-29 Codeshare flight, operated by United Airlines.(UA 236)
Mon-Fri,Sun 18:00 Buffalo (BUF) 18:50 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2024-10-06 through 2024-10-11 Codeshare flight, operated by United Airlines.(UA 236)
Sun 18:00 Buffalo (BUF) 18:48 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737-700 (73G) 1:48 Operates only on 2024-10-13 Codeshare flight, operated by United Airlines.(UA 236)
Mon-Fri,Sun 18:00 Buffalo (BUF) 18:50 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Effective 2024-10-15 through 2024-10-25 Codeshare flight, operated by United Airlines.(UA 236)
Fri 18:02 Buffalo (BUF) 18:53 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2024-09-06 through 2024-09-20 Codeshare flight, operated by United Airlines.(UA 630)
Mon-Thu 18:04 Buffalo (BUF) 18:55 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Valid until 2024-09-05 Codeshare flight, operated by United Airlines.(UA 630)
Mon-Thu,Sun 18:04 Buffalo (BUF) 18:55 Chicago O'Hare (ORD) 1 Air New Zealand NZ 2114 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2024-09-08 through 2024-09-25 Codeshare flight, operated by United Airlines.(UA 630)
Daily 13:50 Buffalo (BUF) 14:49 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2024-10-27 through 2024-11-27 Codeshare flight, operated by United Airlines.(UA 4381)
Mon,Fri-Sun 13:50 Buffalo (BUF) 14:49 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2024-11-29 through 2024-12-02 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:54 Buffalo (BUF) 14:55 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Embraer EMB 175 (E7W) 2:01 Effective 2024-12-03 through 2024-12-18 Codeshare flight, operated by United Airlines.(UA 4628)
Daily 13:55 Buffalo (BUF) 14:52 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 1:57 Valid until 2024-09-25 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:55 Buffalo (BUF) 15:01 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective 2024-12-19 through 2025-01-06 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:55 Buffalo (BUF) 14:48 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective from 2025-01-07 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:58 Buffalo (BUF) 14:55 Chicago O'Hare (ORD) 2 Air New Zealand NZ 2116 Non-stop Canadair CRJ 550 (CR5) 1:57 Effective 2024-09-26 through 2024-10-26 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 08:17 Buffalo (BUF) 09:20 Chicago O'Hare (ORD) 3 Qatar Airways QR 2222 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:03 Effective 2024-12-19 through 2025-01-06 Codeshare flight, operated by American Airlines.(AA 4053)
Tue 15:25 Buffalo (BUF) 16:21 Chicago O'Hare (ORD) 3 Qatar Airways QR 2252 Non-stop Boeing 737-800 (738) 1:56 Effective 2024-10-08 through 2024-10-29 Codeshare flight, operated by American Airlines.(AA 403)
Sun 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Airbus A319 (319) 1:57 Effective 2024-10-27 through 2024-12-01 Codeshare flight, operated by United Airlines.(UA 329)
Mon-Sat 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Boeing 737-700 (73G) 1:57 Effective 2024-10-28 through 2024-12-03 Codeshare flight, operated by United Airlines.(UA 329)
Wed 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Boeing 737-800 (738) 1:57 Effective 2024-12-04 through 2024-12-18 Codeshare flight, operated by United Airlines.(UA 329)
Mon,Tue,Thu-Sat 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Boeing 737-700 (73G) 1:57 Effective 2024-12-05 through 2024-12-17 Codeshare flight, operated by United Airlines.(UA 329)
Sun 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Boeing 737-900 (739) 1:57 Effective 2024-12-08 through 2024-12-15 Codeshare flight, operated by United Airlines.(UA 329)
Daily 07:00 Buffalo (BUF) 08:04 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Airbus A319 (319) 2:04 Effective 2024-12-19 through 2025-02-12 Codeshare flight, operated by United Airlines.(UA 329)
Daily 07:00 Buffalo (BUF) 07:48 Chicago O'Hare (ORD) 1 Avianca AV 2279 Non-stop Boeing 737 MAX 8 (7M8) 1:48 Effective 2025-02-13 through 2025-03-29 Codeshare flight, operated by United Airlines.(UA 329)
Sun 06:54 Buffalo (BUF) 07:52 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:58 Operates only on 2024-11-03 Codeshare flight, operated by American Airlines.(AA 4267)
Sun 08:00 Buffalo (BUF) 08:49 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Boeing 737-800 (738) 1:49 Operates only on 2024-09-01 Codeshare flight, operated by American Airlines.(AA 453)
Mon,Thu,Fri,Sun 11:29 Buffalo (BUF) 12:23 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2024-10-07 through 2024-10-20 Codeshare flight, operated by American Airlines.(AA 3410)
Mon 11:29 Buffalo (BUF) 12:23 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 175 (E75) 1:54 Effective 2024-10-21 through 2024-10-28 Codeshare flight, operated by American Airlines.(AA 3410)
Thu,Fri,Sun 11:29 Buffalo (BUF) 12:23 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2024-10-24 through 2024-10-31 Codeshare flight, operated by American Airlines.(AA 3410)
Mon,Thu,Fri,Sun 11:35 Buffalo (BUF) 12:24 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Boeing 737-800 (738) 1:49 Effective 2024-09-05 through 2024-10-06 Codeshare flight, operated by American Airlines.(AA 2550)
Mon,Tue,Thu 11:40 Buffalo (BUF) 12:33 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 175 (E75) 1:53 Valid until 2024-09-03 Codeshare flight, operated by American Airlines.(AA 3455)
Mon 15:14 Buffalo (BUF) 16:10 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Boeing 737-800 (738) 1:56 Operates only on 2024-11-04 Codeshare flight, operated by American Airlines.(AA 403)
Sat 15:57 Buffalo (BUF) 16:54 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2024-10-12 through 2024-11-02 Codeshare flight, operated by American Airlines.(AA 3410)
Wed 15:58 Buffalo (BUF) 16:55 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:57 Effective 2024-10-09 through 2024-10-30 Codeshare flight, operated by American Airlines.(AA 3410)
Tue,Wed,Sat 16:05 Buffalo (BUF) 16:54 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Boeing 737-800 (738) 1:49 Effective 2024-09-04 through 2024-10-05 Codeshare flight, operated by American Airlines.(AA 403)
Daily 16:56 Buffalo (BUF) 17:50 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2025-04-04 through 2025-05-04 Codeshare flight, operated by American Airlines.(AA 3934)
Daily 16:56 Buffalo (BUF) 17:45 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Boeing 737-800 (738) 1:49 Effective from 2025-06-05 Codeshare flight, operated by American Airlines.(AA 403)
Daily 16:58 Buffalo (BUF) 17:50 Chicago O'Hare (ORD) 3 Qatar Airways QR 2453 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:52 Effective 2025-05-05 through 2025-06-04 Codeshare flight, operated by American Airlines.(AA 3934)
Daily 08:12 Buffalo (BUF) 09:20 Chicago O'Hare (ORD) 3 Qatar Airways QR 2589 Non-stop Canadair CRJ 700 (CR7) 2:08 Effective 2025-01-07 through 2025-02-12 Codeshare flight, operated by American Airlines.(AA 4946)
Sat 22:00 Buffalo (BUF) 22:57 Chicago O'Hare (ORD) 1 Air Canada AC 3155 Non-stop Airbus A319 (319) 1:57 Operates only on 2024-11-30 Codeshare flight, operated by United Airlines.(UA 334)
Sun 22:00 Buffalo (BUF) 22:57 Chicago O'Hare (ORD) 1 Air Canada AC 3155 Non-stop Boeing 737-700 (73G) 1:57 Operates only on 2024-12-01 Codeshare flight, operated by United Airlines.(UA 334)
Daily 13:50 Buffalo (BUF) 14:49 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2024-10-27 through 2024-11-27 Codeshare flight, operated by United Airlines.(UA 4381)
Mon,Fri-Sun 13:50 Buffalo (BUF) 14:49 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 1:59 Effective 2024-11-29 through 2024-12-02 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:54 Buffalo (BUF) 14:55 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Embraer EMB 175 (E7W) 2:01 Effective 2024-12-03 through 2024-12-18 Codeshare flight, operated by United Airlines.(UA 4628)
Daily 13:55 Buffalo (BUF) 14:52 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 1:57 Valid until 2024-09-25 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:55 Buffalo (BUF) 15:01 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 2:06 Effective 2024-12-19 through 2025-01-06 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:55 Buffalo (BUF) 14:48 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective from 2025-01-07 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 13:58 Buffalo (BUF) 14:55 Chicago O'Hare (ORD) 2 Air Canada AC 3235 Non-stop Canadair CRJ 550 (CR5) 1:57 Effective 2024-09-26 through 2024-10-26 Codeshare flight, operated by United Airlines.(UA 4381)
Daily 16:56 Buffalo (BUF) 17:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4000 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:54 Effective 2025-04-04 through 2025-05-04 Codeshare flight, operated by American Airlines.(AA 3934)
Daily 16:58 Buffalo (BUF) 17:50 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4000 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:52 Effective 2025-05-05 through 2025-06-04 Codeshare flight, operated by American Airlines.(AA 3934)
Tue,Wed,Sat 16:05 Buffalo (BUF) 16:54 Chicago O'Hare (ORD) 3 Alaska Airlines AS 4022 Non-stop Boeing 737-800 (738) 1:49 Effective 2024-09-04 through 2024-10-05 Codeshare flight, operated by American Airlines.(AA 403)

1 2 3 4 5 6 7 8 9

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 2:12.

Return (ORD-BUF) flights

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All airlines flying from Buffalo (BUF) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Codeshare Flights:

Air New Zealand NZ2114

18:00

Buffalo (BUF)

18:50

Chicago O'Hare (ORD) 1

Operates only on 2024-09-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 236)

Duration: 1:50, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ2114

18:00

Buffalo (BUF)

18:50

Chicago O'Hare (ORD) 1

Effective 2024-10-06 through 2024-10-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 236)

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ2114

18:00

Buffalo (BUF)

18:48

Chicago O'Hare (ORD) 1

Operates only on 2024-10-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 236)

Duration: 1:48, non-stop
Boeing 737-700 (73G)

Air New Zealand NZ2114

18:00

Buffalo (BUF)

18:50

Chicago O'Hare (ORD) 1

Effective 2024-10-15 through 2024-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 236)

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ2114

18:02

Buffalo (BUF)

18:53

Chicago O'Hare (ORD) 1

Effective 2024-09-06 through 2024-09-20

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 630)

Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ2114

18:04

Buffalo (BUF)

18:55

Chicago O'Hare (ORD) 1

Valid until 2024-09-05

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 630)

Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ2114

18:04

Buffalo (BUF)

18:55

Chicago O'Hare (ORD) 1

Effective 2024-09-08 through 2024-09-25

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 630)

Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)

Air New Zealand NZ2116

13:50

Buffalo (BUF)

14:49

Chicago O'Hare (ORD) 2

Effective 2024-10-27 through 2024-11-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

Air New Zealand NZ2116

13:50

Buffalo (BUF)

14:49

Chicago O'Hare (ORD) 2

Effective 2024-11-29 through 2024-12-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

Air New Zealand NZ2116

13:54

Buffalo (BUF)

14:55

Chicago O'Hare (ORD) 2

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4628)

Duration: 2:01, non-stop
Embraer EMB 175 (E7W)

Air New Zealand NZ2116

13:55

Buffalo (BUF)

14:52

Chicago O'Hare (ORD) 2

Valid until 2024-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Air New Zealand NZ2116

13:55

Buffalo (BUF)

15:01

Chicago O'Hare (ORD) 2

Effective 2024-12-19 through 2025-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)

Air New Zealand NZ2116

13:55

Buffalo (BUF)

14:48

Chicago O'Hare (ORD) 2

Effective from 2025-01-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)

Air New Zealand NZ2116

13:58

Buffalo (BUF)

14:55

Chicago O'Hare (ORD) 2

Effective 2024-09-26 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Qatar Airways QR2222

08:17

Buffalo (BUF)

09:20

Chicago O'Hare (ORD) 3

Effective 2024-12-19 through 2025-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4053)

Duration: 2:03, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2252

15:25

Buffalo (BUF)

16:21

Chicago O'Hare (ORD) 3

Effective 2024-10-08 through 2024-10-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 403)

Duration: 1:56, non-stop
Boeing 737-800 (738)

Avianca AV2279

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2024-10-27 through 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:57, non-stop
Airbus A319 (319)

Avianca AV2279

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2024-10-28 through 2024-12-03

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:57, non-stop
Boeing 737-700 (73G)

Avianca AV2279

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2024-12-04 through 2024-12-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:57, non-stop
Boeing 737-800 (738)

Avianca AV2279

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2024-12-05 through 2024-12-17

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:57, non-stop
Boeing 737-700 (73G)

Avianca AV2279

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2024-12-08 through 2024-12-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:57, non-stop
Boeing 737-900 (739)

Avianca AV2279

07:00

Buffalo (BUF)

08:04

Chicago O'Hare (ORD) 1

Effective 2024-12-19 through 2025-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 2:04, non-stop
Airbus A319 (319)

Avianca AV2279

07:00

Buffalo (BUF)

07:48

Chicago O'Hare (ORD) 1

Effective 2025-02-13 through 2025-03-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 329)

Duration: 1:48, non-stop
Boeing 737 MAX 8 (7M8)

Qatar Airways QR2453

06:54

Buffalo (BUF)

07:52

Chicago O'Hare (ORD) 3

Operates only on 2024-11-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 4267)

Duration: 1:58, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

08:00

Buffalo (BUF)

08:49

Chicago O'Hare (ORD) 3

Operates only on 2024-09-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 453)

Duration: 1:49, non-stop
Boeing 737-800 (738)

Qatar Airways QR2453

11:29

Buffalo (BUF)

12:23

Chicago O'Hare (ORD) 3

Effective 2024-10-07 through 2024-10-20

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3410)

Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

11:29

Buffalo (BUF)

12:23

Chicago O'Hare (ORD) 3

Effective 2024-10-21 through 2024-10-28

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3410)

Duration: 1:54, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2453

11:29

Buffalo (BUF)

12:23

Chicago O'Hare (ORD) 3

Effective 2024-10-24 through 2024-10-31

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 3410)

Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

11:35

Buffalo (BUF)

12:24

Chicago O'Hare (ORD) 3

Effective 2024-09-05 through 2024-10-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 2550)

Duration: 1:49, non-stop
Boeing 737-800 (738)

Qatar Airways QR2453

11:40

Buffalo (BUF)

12:33

Chicago O'Hare (ORD) 3

Valid until 2024-09-03

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3455)

Duration: 1:53, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2453

15:14

Buffalo (BUF)

16:10

Chicago O'Hare (ORD) 3

Operates only on 2024-11-04

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 403)

Duration: 1:56, non-stop
Boeing 737-800 (738)

Qatar Airways QR2453

15:57

Buffalo (BUF)

16:54

Chicago O'Hare (ORD) 3

Effective 2024-10-12 through 2024-11-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 3410)

Duration: 1:57, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

15:58

Buffalo (BUF)

16:55

Chicago O'Hare (ORD) 3

Effective 2024-10-09 through 2024-10-30

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Codeshare flight, operated by American Airlines. (AA 3410)

Duration: 1:57, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

16:05

Buffalo (BUF)

16:54

Chicago O'Hare (ORD) 3

Effective 2024-09-04 through 2024-10-05

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 403)

Duration: 1:49, non-stop
Boeing 737-800 (738)

Qatar Airways QR2453

16:56

Buffalo (BUF)

17:50

Chicago O'Hare (ORD) 3

Effective 2025-04-04 through 2025-05-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3934)

Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2453

16:56

Buffalo (BUF)

17:45

Chicago O'Hare (ORD) 3

Effective from 2025-06-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 403)

Duration: 1:49, non-stop
Boeing 737-800 (738)

Qatar Airways QR2453

16:58

Buffalo (BUF)

17:50

Chicago O'Hare (ORD) 3

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3934)

Duration: 1:52, non-stop
Embraer EMB 170 / EMB 175 (E70)

Qatar Airways QR2589

08:12

Buffalo (BUF)

09:20

Chicago O'Hare (ORD) 3

Effective 2025-01-07 through 2025-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4946)

Duration: 2:08, non-stop
Canadair CRJ 700 (CR7)

Air Canada AC3155

22:00

Buffalo (BUF)

22:57

Chicago O'Hare (ORD) 1

Operates only on 2024-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by United Airlines. (UA 334)

Duration: 1:57, non-stop
Airbus A319 (319)

Air Canada AC3155

22:00

Buffalo (BUF)

22:57

Chicago O'Hare (ORD) 1

Operates only on 2024-12-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by United Airlines. (UA 334)

Duration: 1:57, non-stop
Boeing 737-700 (73G)

Air Canada AC3235

13:50

Buffalo (BUF)

14:49

Chicago O'Hare (ORD) 2

Effective 2024-10-27 through 2024-11-27

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

Air Canada AC3235

13:50

Buffalo (BUF)

14:49

Chicago O'Hare (ORD) 2

Effective 2024-11-29 through 2024-12-02

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)

Air Canada AC3235

13:54

Buffalo (BUF)

14:55

Chicago O'Hare (ORD) 2

Effective 2024-12-03 through 2024-12-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4628)

Duration: 2:01, non-stop
Embraer EMB 175 (E7W)

Air Canada AC3235

13:55

Buffalo (BUF)

14:52

Chicago O'Hare (ORD) 2

Valid until 2024-09-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Air Canada AC3235

13:55

Buffalo (BUF)

15:01

Chicago O'Hare (ORD) 2

Effective 2024-12-19 through 2025-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 2:06, non-stop
Canadair CRJ 550 (CR5)

Air Canada AC3235

13:55

Buffalo (BUF)

14:48

Chicago O'Hare (ORD) 2

Effective from 2025-01-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)

Air Canada AC3235

13:58

Buffalo (BUF)

14:55

Chicago O'Hare (ORD) 2

Effective 2024-09-26 through 2024-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by United Airlines. (UA 4381)

Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)

Alaska Airlines AS4000

16:56

Buffalo (BUF)

17:50

Chicago O'Hare (ORD) 3

Effective 2025-04-04 through 2025-05-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3934)

Duration: 1:54, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4000

16:58

Buffalo (BUF)

17:50

Chicago O'Hare (ORD) 3

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3934)

Duration: 1:52, non-stop
Embraer EMB 170 / EMB 175 (E70)

Alaska Airlines AS4022

16:05

Buffalo (BUF)

16:54

Chicago O'Hare (ORD) 3

Effective 2024-09-04 through 2024-10-05

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun
-

Codeshare flight, operated by American Airlines. (AA 403)

Duration: 1:49, non-stop
Boeing 737-800 (738)

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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 2:12.

Return (ORD-BUF) flights

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