United Airlines flights from Buffalo (BUF) to O'Hare, Chicago (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 06:45 Buffalo (BUF) 07:43 O'Hare, Chicago (ORD) 1
United Airlines UA 216 Non-stop Boeing 737-800 (738) 1:58 Operates only on 2023-01-04
Thu-Sat 06:45 Buffalo (BUF) 07:43 O'Hare, Chicago (ORD) 1
United Airlines UA 216 Non-stop Airbus A319 (319) 1:58 Effective 2023-01-05 through 2023-01-07
Sun 06:45 Buffalo (BUF) 07:43 O'Hare, Chicago (ORD) 1
United Airlines UA 216 Non-stop Boeing 737-900 (739) 1:58 Effective 2023-01-08 through 2023-02-05
Mon-Sat 06:45 Buffalo (BUF) 07:43 O'Hare, Chicago (ORD) 1
United Airlines UA 216 Non-stop Boeing 737-700 (73G) 1:58 Effective 2023-01-09 through 2023-02-09
Mon-Fri 06:45 Buffalo (BUF) 07:35 O'Hare, Chicago (ORD) 1
United Airlines UA 235 Non-stop Airbus A319 (319) 1:50 Effective 2023-02-10 through 2023-03-02
Sun 06:45 Buffalo (BUF) 07:35 O'Hare, Chicago (ORD) 1
United Airlines UA 235 Non-stop Boeing 737-700 (73G) 1:50 Effective 2023-02-12 through 2023-02-26
Sat 06:50 Buffalo (BUF) 07:40 O'Hare, Chicago (ORD) 1
United Airlines UA 235 Non-stop Boeing 737-700 (73G) 1:50 Effective 2023-02-11 through 2023-02-25
Daily 06:45 Buffalo (BUF) 07:45 O'Hare, Chicago (ORD) 1
United Airlines UA 236 Non-stop Boeing 737-800 (738) 2:00 Valid until 2023-01-03
Mon-Fri,Sun 17:41 Buffalo (BUF) 18:39 O'Hare, Chicago (ORD) 1
United Airlines UA 276 Non-stop Boeing 737-700 (73G) 1:58 Valid until 2023-01-03
Mon-Fri,Sun 06:46 Buffalo (BUF) 07:36 O'Hare, Chicago (ORD) 1
United Airlines UA 301 Non-stop Airbus A319 (319) 1:50 Effective 2023-03-03 through 2023-03-24
Sat 06:46 Buffalo (BUF) 07:36 O'Hare, Chicago (ORD) 1
United Airlines UA 301 Non-stop Boeing 737-800 (738) 1:50 Effective 2023-03-04 through 2023-03-25
Daily 07:00 Buffalo (BUF) 07:50 O'Hare, Chicago (ORD) 1
United Airlines UA 301 Non-stop Airbus A320 (320) 1:50 Effective 2023-03-26 through 2023-05-04
Daily 07:00 Buffalo (BUF) 07:50 O'Hare, Chicago (ORD) 1
United Airlines UA 301 Non-stop Airbus A319 (319) 1:50 Effective from 2023-05-05
Thu 17:30 Buffalo (BUF) 18:28 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Boeing 737 MAX 9 (7M9) 1:58 Operates only on 2023-02-09
Daily 17:30 Buffalo (BUF) 18:20 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Airbus A319 (319) 1:50 Effective from 2023-05-05
Tue-Thu 17:41 Buffalo (BUF) 18:43 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Airbus A319 (319) 2:02 Effective 2023-03-07 through 2023-03-23
Mon-Fri,Sun 17:42 Buffalo (BUF) 18:40 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Boeing 737-700 (73G) 1:58 Effective 2023-01-04 through 2023-02-08
Mon 17:43 Buffalo (BUF) 18:45 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Boeing 737-900 (739) 2:02 Effective 2023-03-06 through 2023-03-20
Mon-Fri,Sun 17:56 Buffalo (BUF) 18:55 O'Hare, Chicago (ORD) 1
United Airlines UA 630 Non-stop Airbus A320 (320) 1:59 Effective 2023-02-10 through 2023-03-02
Sat 17:51 Buffalo (BUF) 18:55 O'Hare, Chicago (ORD) 2
United Airlines UA 3437 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:04 Effective 2023-02-11 through 2023-02-25
Mon-Sat 10:52 Buffalo (BUF) 11:58 O'Hare, Chicago (ORD) 2
United Airlines UA 3477 Non-stop Embraer EMB 175 (E7W) 2:06 Valid until 2023-01-03
Daily 12:05 Buffalo (BUF) 13:06 O'Hare, Chicago (ORD) 2
United Airlines UA 3723 Non-stop Canadair CRJ (CRJ) 2:01 Effective 2023-01-04 through 2023-02-09
Daily 11:00 Buffalo (BUF) 12:01 O'Hare, Chicago (ORD) 2
United Airlines UA 3762 Non-stop Canadair CRJ (CRJ) 2:01 Effective 2023-02-10 through 2023-03-02
Daily 11:01 Buffalo (BUF) 11:51 O'Hare, Chicago (ORD) 2
United Airlines UA 3762 Non-stop Canadair CRJ (CRJ) 1:50 Effective from 2023-03-26
Daily 11:04 Buffalo (BUF) 12:05 O'Hare, Chicago (ORD) 2
United Airlines UA 3762 Non-stop Canadair CRJ (CRJ) 2:01 Effective 2023-03-03 through 2023-03-25
Sat 17:46 Buffalo (BUF) 18:52 O'Hare, Chicago (ORD) 2
United Airlines UA 3765 Non-stop Canadair CRJ (CRJ) 2:06 Effective 2023-01-07 through 2023-02-04
Sun 17:41 Buffalo (BUF) 18:51 O'Hare, Chicago (ORD) 2
United Airlines UA 3808 Non-stop Canadair CRJ (CRJ) 2:10 Effective 2023-03-05 through 2023-03-19
Daily 17:30 Buffalo (BUF) 18:20 O'Hare, Chicago (ORD) 2
United Airlines UA 4645 Non-stop Embraer EMB 175 (E7W) 1:50 Effective 2023-03-26 through 2023-05-04
Fri,Sat 17:41 Buffalo (BUF) 18:51 O'Hare, Chicago (ORD) 2
United Airlines UA 5307 Non-stop Canadair CRJ (CRJ) 2:10 Effective 2023-03-03 through 2023-03-25




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United Airlines flights from Buffalo (BUF) to O'Hare, Chicago (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA216
06:45
Buffalo (BUF)

07:43
O'Hare, Chicago (ORD) 1
Operates only on 2023-01-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:58, non-stop
Boeing 737-800 (738)
United Airlines UA216
06:45
Buffalo (BUF)

07:43
O'Hare, Chicago (ORD) 1
Effective 2023-01-05 through 2023-01-07
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:58, non-stop
Airbus A319 (319)
United Airlines UA216
06:45
Buffalo (BUF)

07:43
O'Hare, Chicago (ORD) 1
Effective 2023-01-08 through 2023-02-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:58, non-stop
Boeing 737-900 (739)
United Airlines UA216
06:45
Buffalo (BUF)

07:43
O'Hare, Chicago (ORD) 1
Effective 2023-01-09 through 2023-02-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:58, non-stop
Boeing 737-700 (73G)
United Airlines UA235
06:45
Buffalo (BUF)

07:35
O'Hare, Chicago (ORD) 1
Effective 2023-02-10 through 2023-03-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA235
06:45
Buffalo (BUF)

07:35
O'Hare, Chicago (ORD) 1
Effective 2023-02-12 through 2023-02-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-700 (73G)
United Airlines UA235
06:50
Buffalo (BUF)

07:40
O'Hare, Chicago (ORD) 1
Effective 2023-02-11 through 2023-02-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-700 (73G)
United Airlines UA236
06:45
Buffalo (BUF)

07:45
O'Hare, Chicago (ORD) 1
Valid until 2023-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Boeing 737-800 (738)
United Airlines UA276
17:41
Buffalo (BUF)

18:39
O'Hare, Chicago (ORD) 1
Valid until 2023-01-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Boeing 737-700 (73G)
United Airlines UA301
06:46
Buffalo (BUF)

07:36
O'Hare, Chicago (ORD) 1
Effective 2023-03-03 through 2023-03-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA301
06:46
Buffalo (BUF)

07:36
O'Hare, Chicago (ORD) 1
Effective 2023-03-04 through 2023-03-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:50, non-stop
Boeing 737-800 (738)
United Airlines UA301
07:00
Buffalo (BUF)

07:50
O'Hare, Chicago (ORD) 1
Effective 2023-03-26 through 2023-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Airbus A320 (320)
United Airlines UA301
07:00
Buffalo (BUF)

07:50
O'Hare, Chicago (ORD) 1
Effective from 2023-05-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA630
17:30
Buffalo (BUF)

18:28
O'Hare, Chicago (ORD) 1
Operates only on 2023-02-09
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:58, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA630
17:30
Buffalo (BUF)

18:20
O'Hare, Chicago (ORD) 1
Effective from 2023-05-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Airbus A319 (319)
United Airlines UA630
17:41
Buffalo (BUF)

18:43
O'Hare, Chicago (ORD) 1
Effective 2023-03-07 through 2023-03-23
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:02, non-stop
Airbus A319 (319)
United Airlines UA630
17:42
Buffalo (BUF)

18:40
O'Hare, Chicago (ORD) 1
Effective 2023-01-04 through 2023-02-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:58, non-stop
Boeing 737-700 (73G)
United Airlines UA630
17:43
Buffalo (BUF)

18:45
O'Hare, Chicago (ORD) 1
Effective 2023-03-06 through 2023-03-20
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:02, non-stop
Boeing 737-900 (739)
United Airlines UA630
17:56
Buffalo (BUF)

18:55
O'Hare, Chicago (ORD) 1
Effective 2023-02-10 through 2023-03-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:59, non-stop
Airbus A320 (320)
United Airlines UA3437
17:51
Buffalo (BUF)

18:55
O'Hare, Chicago (ORD) 2
Effective 2023-02-11 through 2023-02-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
United Airlines UA3477
10:52
Buffalo (BUF)

11:58
O'Hare, Chicago (ORD) 2
Valid until 2023-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:06, non-stop
Embraer EMB 175 (E7W)
United Airlines UA3723
12:05
Buffalo (BUF)

13:06
O'Hare, Chicago (ORD) 2
Effective 2023-01-04 through 2023-02-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Canadair CRJ (CRJ)
United Airlines UA3762
11:00
Buffalo (BUF)

12:01
O'Hare, Chicago (ORD) 2
Effective 2023-02-10 through 2023-03-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Canadair CRJ (CRJ)
United Airlines UA3762
11:01
Buffalo (BUF)

11:51
O'Hare, Chicago (ORD) 2
Effective from 2023-03-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Canadair CRJ (CRJ)
United Airlines UA3762
11:04
Buffalo (BUF)

12:05
O'Hare, Chicago (ORD) 2
Effective 2023-03-03 through 2023-03-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Canadair CRJ (CRJ)
United Airlines UA3765
17:46
Buffalo (BUF)

18:52
O'Hare, Chicago (ORD) 2
Effective 2023-01-07 through 2023-02-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:06, non-stop
Canadair CRJ (CRJ)
United Airlines UA3808
17:41
Buffalo (BUF)

18:51
O'Hare, Chicago (ORD) 2
Effective 2023-03-05 through 2023-03-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:10, non-stop
Canadair CRJ (CRJ)
United Airlines UA4645
17:30
Buffalo (BUF)

18:20
O'Hare, Chicago (ORD) 2
Effective 2023-03-26 through 2023-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:50, non-stop
Embraer EMB 175 (E7W)
United Airlines UA5307
17:41
Buffalo (BUF)

18:51
O'Hare, Chicago (ORD) 2
Effective 2023-03-03 through 2023-03-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:10, non-stop
Canadair CRJ (CRJ)
  • A domestic route departing from the Buffalo airport (BUF) and arriving at O'Hare, Chicago 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 1:50 and 2:10.
All BUF-ORD flights
All United Airlines flights
Return (ORD-BUF) flights
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