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Direct flights from Chicago to Buffalo

Airlines Schedules

ORD - BUF route map All flights from ORD to BUF non-stop. There are direct flights from Chicago O Hare International (ORD), Illinois, USA to Buffalo Niagara International (BUF), New York, USA with United Airlines and American Airlines. 49 weekly departures are currently scheduled on this route. Departure times range from 06:29 to 23:55 depending on the schedule period. The flight distance is 474 miles (763 km). Flight time ranges from 1 hour and 35 minutes to 2 hours.

ORD
Chicago O Hare
USAChicago , USA
BUF
Buffalo Niagara
USABuffalo , USA
ORD
Chicago O Hare
USAChicago , USA
Buffalo Niagara
USABuffalo , USA
BUF
Flight time 1h 35min to 2h 0min
Updated Nov 9, 2026
CHANGE DIRECTION

Airlines with non-stop routes:

United Airlines Star Alliance

Departure times vary between 06:29 and 23:55 • From Terminal 2 and Terminal 1
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
28 flights/week
28 flights/week

American Airlines oneworld

Departure times vary between 06:40 and 22:01 • From Terminal 3
S
M
T
W
T
F
S
Sun
Mon
Tue
Wed
Thu
Fri
Sat
21 flights/week
21 flights/week
Weekday-labels: HAS FLIGHTS UPCOMING NO FLIGHTS
View all flight dates
Flight schedule from Chicago to Buffalo with United Airlines

This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Nov 16
Tue
Nov 17
Wed
Nov 18
Thu
Nov 19
Fri
Nov 20
Sat
Nov 21
Sun
Nov 22
UA4177
06:29
06:50
06:50
06:29
06:29
06:50
06:29
UA4382
10:30
10:30
10:30
10:30
10:30
10:30
10:30
UA3683
----
----
----
----
----
14:17
----
UA2226
14:18
14:18
14:18
14:18
14:18
----
14:18
UA1335
17:51
17:51
17:51
17:51
17:51
17:59
17:51

The timetable & schedule information was updated at 2026-11-09

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Flight schedule from Chicago to Buffalo with American Airlines

This is a weekly direct flight schedule for American Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.

 
Flight
Mon
Nov 16
Tue
Nov 17
Wed
Nov 18
Thu
Nov 19
Fri
Nov 20
Sat
Nov 21
Sun
Nov 22
AA4780
08:00
08:00
08:00
08:00
08:00
08:00
08:00
AA2378
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15:17
15:17
15:21
15:17
AA2202
15:19
15:19
15:19
----
----
----
----
AA1073
19:00
19:00
19:00
19:00
18:59
21:09
19:00

The timetable & schedule information was updated at 2026-11-09

RETURN SCHEDULE
CHECK PRICES
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Chicago to Buffalo scheduled departures

Select a date to see every published non-stop departure between ORD and BUF.

Saturday
Sat
Dec 05
7 flights(7)
Sunday
Sun
Dec 06
7 flights(7)
Monday
Mon
Dec 07
7 flights(7)
Tuesday
Tue
Dec 08
7 flights(7)
Wednesday
Wed
Dec 09
7 flights(7)
Thursday
Thu
Dec 10
7 flights(7)
Friday
Fri
Dec 11
7 flights(7)
Time
Airline
Flight
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA3564
15:20
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
18:59
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:20
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:26
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:26
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:26
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:26
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
06:55
United Airlines United Airlines
UA4177
08:00
American Airlines American Airlines
AA4780
10:29
United Airlines United Airlines
UA4382
14:05
United Airlines United Airlines
UA5270
15:26
American Airlines American Airlines
AA2306
17:59
United Airlines United Airlines
UA5443
19:05
American Airlines American Airlines
AA1073
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ORD-BUF flight route
Route map from Chicago, ORD to Buffalo, BUF. The distance is 474 miles or 763 km.
Chicago - Buffalo direct flight map
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ORD - BUF route facts

  • Distance
    474 miles (763 km)
  • Flight time
    1 hour and 35 minutes to 2 hours
  • Airlines
    United United
    American Airlines American Airlines
  • Airline alliances
    Star Alliance oneworld
  • Cabins
    Economy First
  • Hub airports
    United Airlines: ORD (Largest hub.)
    American Airlines: ORD
  • Departure terminals
    United Airlines: Terminal 2 and Terminal 1
    American Airlines: Terminal 3
  • Aircraft
    United Airlines: Canadair (Bombardier) Regional Jet 550, Airbus A319, Embraer 175 (Enhanced Winglets), Boeing 737-800 Passenger, Boeing 737-700 Passenger, Airbus A320, Boeing 737MAX 8 Passenger and Boeing 737-900 Passenger
    American Airlines: Embraer 175, Canadair (Bombardier) Regional Jet 700 and Challenger 870, Airbus A319 and Boeing 737-800 Passenger

Route FAQ

United Airlines and American Airlines operate non-stop flights from ORD to BUF with 49 weekly departures (Nov 16 – Nov 22, 2026).

Scheduled flight time from ORD to BUF ranges from 1 hour and 35 minutes to 2 hours. The route covers 474 miles (763 km).

49 weekly departures (Nov 16 – Nov 22, 2026) are currently scheduled on this route, with published departure times ranging from 06:29 to 23:55 depending on the schedule period.

Departure terminals: United Airlines: Terminal 2 and Terminal 1 and American Airlines: Terminal 3.

Economy and First are currently scheduled on non-stop flights for this route.
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