ANA flights from Chicago O'Hare (ORD) to Buffalo (BUF).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Thu 14:10 Chicago O'Hare (ORD) 1 16:51 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-700 (73G) 1:41 Operates only on 2024-11-28
Codeshare flight, operated by United Airlines.(UA 1448)
Daily 17:50 Chicago O'Hare (ORD) 1 20:27 Buffalo (BUF)
ANA NH 7074 Non-stop Airbus A319 (319) 1:37 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 17:50 Chicago O'Hare (ORD) 1 20:31 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737 MAX 8 (7M8) 1:41 Effective from 2025-02-13
Codeshare flight, operated by United Airlines.(UA 1335)
Mon-Fri,Sun 18:06 Chicago O'Hare (ORD) 1 20:47 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-700 (73G) 1:41 Effective 2024-10-27 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 1335)
Sat 18:06 Chicago O'Hare (ORD) 1 20:47 Buffalo (BUF)
ANA NH 7074 Non-stop Airbus A319 (319) 1:41 Effective 2024-11-02 through 2024-11-30
Codeshare flight, operated by United Airlines.(UA 1335)
Mon,Fri,Sun 18:06 Chicago O'Hare (ORD) 1 20:47 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-700 (73G) 1:41 Effective 2024-11-29 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 18:08 Chicago O'Hare (ORD) 1 20:49 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-800 (738) 1:41 Valid until 2024-09-25
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 18:15 Chicago O'Hare (ORD) 1 20:56 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-800 (738) 1:41 Effective 2024-09-26 through 2024-10-18
Codeshare flight, operated by United Airlines.(UA 1335)
Sat 18:15 Chicago O'Hare (ORD) 1 20:56 Buffalo (BUF)
ANA NH 7074 Non-stop Airbus A320 (320) 1:41 Operates only on 2024-10-19
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 18:15 Chicago O'Hare (ORD) 1 20:56 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-800 (738) 1:41 Effective 2024-10-20 through 2024-10-26
Codeshare flight, operated by United Airlines.(UA 1335)
Tue 18:15 Chicago O'Hare (ORD) 1 21:00 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-800 (738) 1:45 Effective 2024-12-03 through 2024-12-17
Codeshare flight, operated by United Airlines.(UA 1335)
Mon,Wed-Fri,Sun 18:15 Chicago O'Hare (ORD) 1 21:00 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-700 (73G) 1:45 Effective 2024-12-04 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 18:20 Chicago O'Hare (ORD) 1 21:01 Buffalo (BUF)
ANA NH 7074 Non-stop Airbus A319 (319) 1:41 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 1335)
Sat 18:33 Chicago O'Hare (ORD) 1 21:18 Buffalo (BUF)
ANA NH 7074 Non-stop Boeing 737-900 (739) 1:45 Effective 2024-12-07 through 2024-12-14
Codeshare flight, operated by United Airlines.(UA 1335)
Daily 10:35 Chicago O'Hare (ORD) 2 13:17 Buffalo (BUF)
ANA NH 7400 Non-stop Canadair CRJ 550 (CR5) 1:42 Valid until 2024-10-26
Codeshare flight, operated by United Airlines.(UA 4382)
Daily 10:35 Chicago O'Hare (ORD) 2 13:10 Buffalo (BUF)
ANA NH 7400 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2024-10-27 through 2024-11-27
Codeshare flight, operated by United Airlines.(UA 4382)
Mon,Fri-Sun 10:35 Chicago O'Hare (ORD) 2 13:10 Buffalo (BUF)
ANA NH 7400 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective 2024-11-29 through 2024-12-02
Codeshare flight, operated by United Airlines.(UA 4382)
Daily 10:35 Chicago O'Hare (ORD) 2 13:11 Buffalo (BUF)
ANA NH 7400 Non-stop Embraer EMB 175 (E7W) 1:36 Effective 2024-12-03 through 2024-12-18
Codeshare flight, operated by United Airlines.(UA 4800)
Daily 10:35 Chicago O'Hare (ORD) 2 13:20 Buffalo (BUF)
ANA NH 7400 Non-stop Canadair CRJ 550 (CR5) 1:45 Effective 2024-12-19 through 2025-01-06
Codeshare flight, operated by United Airlines.(UA 4382)
Daily 10:35 Chicago O'Hare (ORD) 2 13:10 Buffalo (BUF)
ANA NH 7400 Non-stop Canadair CRJ 550 (CR5) 1:35 Effective from 2025-01-07
Codeshare flight, operated by United Airlines.(UA 4382)




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ANA flights from Chicago O'Hare (ORD) to Buffalo (BUF).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
ANA NH7074
14:10
Chicago O'Hare (ORD) 1

16:51
Buffalo (BUF)
Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1448)
Duration: 1:41, non-stop
Boeing 737-700 (73G)
ANA NH7074
17:50
Chicago O'Hare (ORD) 1

20:27
Buffalo (BUF)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:37, non-stop
Airbus A319 (319)
ANA NH7074
17:50
Chicago O'Hare (ORD) 1

20:31
Buffalo (BUF)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737 MAX 8 (7M8)
ANA NH7074
18:06
Chicago O'Hare (ORD) 1

20:47
Buffalo (BUF)
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-700 (73G)
ANA NH7074
18:06
Chicago O'Hare (ORD) 1

20:47
Buffalo (BUF)
Effective 2024-11-02 through 2024-11-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Airbus A319 (319)
ANA NH7074
18:06
Chicago O'Hare (ORD) 1

20:47
Buffalo (BUF)
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-700 (73G)
ANA NH7074
18:08
Chicago O'Hare (ORD) 1

20:49
Buffalo (BUF)
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-800 (738)
ANA NH7074
18:15
Chicago O'Hare (ORD) 1

20:56
Buffalo (BUF)
Effective 2024-09-26 through 2024-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-800 (738)
ANA NH7074
18:15
Chicago O'Hare (ORD) 1

20:56
Buffalo (BUF)
Operates only on 2024-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Airbus A320 (320)
ANA NH7074
18:15
Chicago O'Hare (ORD) 1

20:56
Buffalo (BUF)
Effective 2024-10-20 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Boeing 737-800 (738)
ANA NH7074
18:15
Chicago O'Hare (ORD) 1

21:00
Buffalo (BUF)
Effective 2024-12-03 through 2024-12-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:45, non-stop
Boeing 737-800 (738)
ANA NH7074
18:15
Chicago O'Hare (ORD) 1

21:00
Buffalo (BUF)
Effective 2024-12-04 through 2024-12-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:45, non-stop
Boeing 737-700 (73G)
ANA NH7074
18:20
Chicago O'Hare (ORD) 1

21:01
Buffalo (BUF)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:41, non-stop
Airbus A319 (319)
ANA NH7074
18:33
Chicago O'Hare (ORD) 1

21:18
Buffalo (BUF)
Effective 2024-12-07 through 2024-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1335)
Duration: 1:45, non-stop
Boeing 737-900 (739)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:17
Buffalo (BUF)
Valid until 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4382)
Duration: 1:42, non-stop
Canadair CRJ 550 (CR5)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:10
Buffalo (BUF)
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4382)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:10
Buffalo (BUF)
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4382)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:11
Buffalo (BUF)
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4800)
Duration: 1:36, non-stop
Embraer EMB 175 (E7W)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:20
Buffalo (BUF)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4382)
Duration: 1:45, non-stop
Canadair CRJ 550 (CR5)
ANA NH7400
10:35
Chicago O'Hare (ORD) 2

13:10
Buffalo (BUF)
Effective from 2025-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 4382)
Duration: 1:35, non-stop
Canadair CRJ 550 (CR5)
  • 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 1:35 and 1:45.
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