🇺🇸 ORD
Chicago
473 mi
BUF 🇺🇸
Buffalo

Chicago to Buffalo Flights

Chicago O'Hare International Airport Buffalo Niagara International Airport 6 airlines

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The Chicago to Buffalo route connects Chicago O'Hare International Airport (ORD) in US with Buffalo Niagara International Airport (BUF) in US. This short-haul flight covers approximately 473 miles (761 km) with a typical flight time of 1h 14m. This route is served by 6 airlines: Envoy Air, GoJet, Republic and others. AirportRoutes has tracked 11 unique flight numbers on this route.

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Departure Airport

Chicago O'Hare International Airport

ICAO Code:
KORD
IATA Code:
ORD
City:
🇺🇸 Chicago
Country:
US
Elevation:
680 ft

Destination Airport

Buffalo Niagara International Airport

ICAO Code:
KBUF
IATA Code:
BUF
City:
🇺🇸 Buffalo
Country:
US
Elevation:
728 ft

6

Operators

11

Tracked Flights

473

Miles

1h 14m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Envoy Air ENY MQ
GoJet GJS G7
Republic RPA YX
American Airlines AAL AA
SkyWest SKW OO
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 7 14%
Tuesday 6 12%
Wednesday 10 20%
Thursday 6 12%
Friday 5 10%
Saturday 9 18%
Sunday 8 16%

Pattern Analysis

11 Tracked Flights:
Data Points: 51
API observations used to build this analysis
Weekdays: 34 flights
Weekend: 17 flights
Business Route More active on weekdays

All Flight Routes

6 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
A319 21:25 9:25 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
Envoy Air
ENY / MQ
A319 20:45 8:45 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
GoJet
GJS / G7
CRJ7 10:30 10:30 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
Republic
RPA / YX
E75L 09:05 9:05 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
SkyWest
SKW / OO
CRJ7 13:38 1:38 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
United
UAL / UA
B78X 09:00 9:00 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
Total Routes: 6
Active Routes: 6
Unique Airlines: 6
Aircraft Types: 6

Spotted Departure Times

Departure Time Operator ICAO IATA
09:00 9:00 AM United UAL UA
09:05 9:05 AM Republic RPA YX
10:30 10:30 AM GoJet GJS G7
13:38 1:38 PM SkyWest SKW OO
20:45 8:45 PM Envoy Air ENY MQ
21:25 9:25 PM American Airlines AAL AA

Time Information

Times are shown in the departure airport's local timezone (KORD - America/Chicago).

Total Departure Times: 6
Time Range:
09:00 - 21:25
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.