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

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 08:30 Buffalo (BUF) 09:37 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Airbus A319 (319) 2:07 Effective 2026-01-08 through 2026-02-07
Sun 08:30 Buffalo (BUF) 09:37 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Boeing 737-800 (738) 2:07 Operates only on 2026-02-08
Mon 08:30 Buffalo (BUF) 09:37 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Airbus A319 (319) 2:07 Operates only on 2026-02-09
Tue,Wed 10:45 Buffalo (BUF) 11:52 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Airbus A319 (319) 2:07 Effective 2026-01-06 through 2026-02-03
Tue,Wed 10:45 Buffalo (BUF) 11:52 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Airbus A319 (319) 2:07 Effective 2026-02-10 through 2026-02-11
Wed 11:00 Buffalo (BUF) 12:05 Chicago O'Hare (ORD) 1 United Airlines UA 228 Non-stop Airbus A319 (319) 2:05 Operates only on 2026-02-04
Thu 17:41 Buffalo (BUF) 18:48 Chicago O'Hare (ORD) 1 United Airlines UA 254 Non-stop Airbus A319 (319) 2:07 Valid until 2026-01-01
Daily 06:30 Buffalo (BUF) 07:37 Chicago O'Hare (ORD) 1 United Airlines UA 262 Non-stop Airbus A320 (320) 2:07 Valid until 2026-01-05
Sun 06:51 Buffalo (BUF) 07:54 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Airbus A319 (319) 2:03 Effective 2026-03-08 through 2026-03-22
Daily 07:00 Buffalo (BUF) 08:00 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Airbus A319 (319) 2:00 Effective 2026-02-12 through 2026-03-07
Mon-Sat 07:00 Buffalo (BUF) 08:00 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Airbus A319 (319) 2:00 Effective 2026-03-09 through 2026-03-28
Daily 07:00 Buffalo (BUF) 07:57 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Boeing 737-700 (73G) 1:57 Effective 2026-03-29 through 2026-04-29
Daily 07:00 Buffalo (BUF) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Boeing 737-700 (73G) 1:48 Effective 2026-04-30 through 2026-05-20
Daily 07:00 Buffalo (BUF) 07:48 Chicago O'Hare (ORD) 1 United Airlines UA 543 Non-stop Boeing 737 MAX 8 (7M8) 1:48 Effective from 2026-05-21
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 10:50 Buffalo (BUF) 11:45 Chicago O'Hare (ORD) 1 United Airlines UA 1646 Non-stop Airbus A319 (319) 1:55 Effective from 2026-09-08
Daily 10:50 Buffalo (BUF) 11:45 Chicago O'Hare (ORD) 1 United Airlines UA 1651 Non-stop Airbus A319 (319) 1:55 Effective 2026-05-21 through 2026-09-07
Sat,Sun 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 1653 Non-stop Boeing 737-800 (738) 1:48 Effective from 2026-10-25
Sat 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2032 Non-stop Boeing 737-700 (73G) 1:48 Effective 2026-05-02 through 2026-05-16
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
Mon-Fri,Sun 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2365 Non-stop Boeing 737-700 (73G) 1:48 Effective 2026-04-30 through 2026-05-20
Mon-Fri,Sun 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2365 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-05-21 through 2026-08-14
Daily 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2365 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-08-15 through 2026-10-24
Mon-Fri 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2365 Non-stop Boeing 737-800 (738) 1:48 Effective from 2026-10-26
Sat 17:50 Buffalo (BUF) 18:38 Chicago O'Hare (ORD) 1 United Airlines UA 2747 Non-stop Boeing 737-800 (738) 1:48 Effective 2026-05-23 through 2026-08-08
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
Mon-Fri 17:29 Buffalo (BUF) 18:40 Chicago O'Hare (ORD) 2 United Airlines UA 3433 Non-stop Embraer EMB 175 (E7W) 2:11 Effective 2026-03-05 through 2026-03-27
Daily 17:50 Buffalo (BUF) 18:55 Chicago O'Hare (ORD) 2 United Airlines UA 3433 Non-stop Embraer EMB 175 (E7W) 2:05 Effective 2026-03-29 through 2026-04-29
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

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Parallax here BUF-ORD

1 2 3 4 ... 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 2:30.

Return (ORD-BUF) flights

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

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FLIGHT SCHEDULE

Direct Flights:

United Airlines UA228

08:30

Buffalo (BUF)

09:37

Chicago O'Hare (ORD) 1

Effective 2026-01-08 through 2026-02-07

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA228

08:30

Buffalo (BUF)

09:37

Chicago O'Hare (ORD) 1

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:07, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA228

08:30

Buffalo (BUF)

09:37

Chicago O'Hare (ORD) 1

Operates only on 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:07, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA228

10:45

Buffalo (BUF)

11:52

Chicago O'Hare (ORD) 1

Effective 2026-01-06 through 2026-02-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:07, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA228

10:45

Buffalo (BUF)

11:52

Chicago O'Hare (ORD) 1

Effective 2026-02-10 through 2026-02-11

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:07, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA228

11:00

Buffalo (BUF)

12:05

Chicago O'Hare (ORD) 1

Operates only on 2026-02-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA254

17:41

Buffalo (BUF)

18:48

Chicago O'Hare (ORD) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:07, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA262

06:30

Buffalo (BUF)

07:37

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:07, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA543

06:51

Buffalo (BUF)

07:54

Chicago O'Hare (ORD) 1

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA543

07:00

Buffalo (BUF)

08:00

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA543

07:00

Buffalo (BUF)

08:00

Chicago O'Hare (ORD) 1

Effective 2026-03-09 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:00, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA543

07:00

Buffalo (BUF)

07:57

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA543

07:00

Buffalo (BUF)

07:48

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA543

07:00

Buffalo (BUF)

07:48

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA853

06:00

Buffalo (BUF)

07:05

Chicago O'Hare (ORD) 3

Effective 2026-02-13 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA1195

05:13

Buffalo (BUF)

06:05

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:52, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA1195

05:16

Buffalo (BUF)

06:05

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:49, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA1195

06:26

Buffalo (BUF)

07:25

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:59, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA1195

06:30

Buffalo (BUF)

07:25

Chicago O'Hare (ORD) 3

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA1195

08:11

Buffalo (BUF)

09:05

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA1360

06:00

Buffalo (BUF)

06:59

Chicago O'Hare (ORD) 3

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:59, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA1414

13:22

Buffalo (BUF)

14:15

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:53, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1646

10:50

Buffalo (BUF)

11:45

Chicago O'Hare (ORD) 1

Effective from 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1651

10:50

Buffalo (BUF)

11:45

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1653

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective from 2026-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2032

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-05-02 through 2026-05-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

American Airlines AA2112

08:06

Buffalo (BUF)

09:05

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:59, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA2112

08:11

Buffalo (BUF)

09:05

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:54, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA2155

08:00

Buffalo (BUF)

09:05

Chicago O'Hare (ORD) 3

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Airbus A319 (319)

Direct Flights:

American Airlines AA2156

06:09

Buffalo (BUF)

07:11

Chicago O'Hare (ORD) 3

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:02, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA2365

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

Direct Flights:

United Airlines UA2365

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-08-14

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2365

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-08-15 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2365

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective from 2026-10-26

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA2747

17:50

Buffalo (BUF)

18:38

Chicago O'Hare (ORD) 1

Effective 2026-05-23 through 2026-08-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:48, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA3342

17:34

Buffalo (BUF)

18:50

Chicago O'Hare (ORD) 3

Operates only on 2026-02-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:16, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3342

18:37

Buffalo (BUF)

19:53

Chicago O'Hare (ORD) 3

Effective 2026-02-21 through 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:16, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3342

18:49

Buffalo (BUF)

20:02

Chicago O'Hare (ORD) 3

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:13, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3380

17:00

Buffalo (BUF)

18:00

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3401

18:49

Buffalo (BUF)

19:50

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:01, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3410

11:24

Buffalo (BUF)

12:24

Chicago O'Hare (ORD) 3

Effective 2026-08-05 through 2026-09-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:00, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3410

11:46

Buffalo (BUF)

12:40

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

United Airlines UA3433

17:29

Buffalo (BUF)

18:40

Chicago O'Hare (ORD) 2

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:11, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

United Airlines UA3433

17:50

Buffalo (BUF)

18:55

Chicago O'Hare (ORD) 2

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:05, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

American Airlines AA3444

13:22

Buffalo (BUF)

14:20

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:58, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3444

13:25

Buffalo (BUF)

14:20

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:55, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3445

17:01

Buffalo (BUF)

18:00

Chicago O'Hare (ORD) 3

Effective 2026-07-02 through 2026-08-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:59, non-stop
Embraer EMB 170 / EMB 175 (E70)

Direct Flights:

American Airlines AA3445

17:04

Buffalo (BUF)

18:00

Chicago O'Hare (ORD) 3

Effective 2026-05-21 through 2026-07-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:56, non-stop
Embraer EMB 175 (E75)

Direct Flights:

American Airlines AA3497

10:16

Buffalo (BUF)

11:10

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

Direct Flights:

American Airlines AA3498

15:13

Buffalo (BUF)

16:10

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

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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 2:30.

Return (ORD-BUF) flights

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