Buffalo to Chicago Flights (BUF-ORD)

🇺🇸 BUF

Buffalo

473 mi

ORD 🇺🇸

Chicago

Buffalo Niagara International Airport Chicago O'Hare International Airport 7 airlines

The Buffalo to Chicago route connects Buffalo Niagara International Airport (BUF) in US with Chicago O'Hare International Airport (ORD) in US. This short-haul flight covers approximately 473 miles (761 km) with a typical flight time of 1h 25m. This route is served by 7 airlines: Republic, Envoy Air, United and others. AirportRoutes has tracked 31 unique flight numbers on this route.

Search tickets for this route

Compare flight prices across hundreds of booking sites

Search BUF → ORD flights

Opens a live price search — just pick your dates

Departure Airport

Buffalo Niagara International Airport

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

Destination Airport

Chicago O'Hare International Airport

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

Operators

Tracked Flights

473

Miles

1h 25m

Flight Duration

Route Map

Great Circle

Map data © Mapbox © OpenStreetMap contributors

Operating Airlines

Airline	ICAO	IATA
Republic	`RPA`	`YX`
Envoy Air	`ENY`	`MQ`
United	`UAL`	`UA`
American Airlines	`AAL`	`AA`
GoJet	`GJS`	`G7`
SkyWest	`SKW`	`OO`
United Parcel Service	`UPS`	`5X`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	34	18%
Tuesday	30	15%
Wednesday	23	12%
Thursday	37	19%
Friday	38	20%
Saturday	17	9%
Sunday	15	8%

Pattern Analysis

31 Tracked Flights:

Data Points: 194
API observations used to build this analysis

Weekdays: 162 flights
Weekend: 32 flights

Business Route More active on weekdays

All Flight Routes

7 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	Aircraft Type	Typical Time	Days Active	Last Seen	Status
American Airlines `AAL` / `AA`	A319	06:00 6:00 AM (Representative)	M T W T F S S	Jul 3, 2026	Active
Envoy Air `ENY` / `MQ`	E75L	12:31 12:31 PM (Representative)	M T W T F S S	Jul 3, 2026	Active
GoJet `GJS` / `G7`	CRJ7	13:54 1:54 PM (Representative)	M T W T F S S	Jul 3, 2026	Active
Republic `RPA` / `YX`	E75L	10:01 10:01 AM (Representative)	M T W T F S S	Jul 3, 2026	Active
SkyWest `SKW` / `OO`	CRJ7	16:57 4:57 PM (Representative)	M T W T F S S	Jul 3, 2026	Active
United `UAL` / `UA`	B739	07:00 7:00 AM (Representative)	M T W T F S S	Jul 3, 2026	Active
United Parcel Service `UPS` / `5X`	A306	22:10 10:10 PM (Representative)	M T W T F S S	Jul 3, 2026	Active

Total Routes: 7

Active Routes: 7

Unique Airlines: 7

Aircraft Types: 6

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
06:00 6:00 AM	American Airlines	`AAL`	`AA`
07:00 7:00 AM	United	`UAL`	`UA`
10:01 10:01 AM	Republic	`RPA`	`YX`
12:31 12:31 PM	Envoy Air	`ENY`	`MQ`
13:54 1:54 PM	GoJet	`GJS`	`G7`
16:57 4:57 PM	SkyWest	`SKW`	`OO`
22:10 10:10 PM	United Parcel Service	`UPS`	`5X`

Time Information

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

Total Departure Times: 7

Time Range:
06:00 - 22:10

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.

Buffalo to Chicago Flights

Get Notified About Route Changes