Flights Chicago → Buffalo
ORD → BUF
Route overview
The flight route from Chicago to Buffalo operates with a mix of aircraft including the Embraer RJ145, Canadair Regional Jet 700, Embraer 175, Boeing 737 series, and Airbus A320. With an on-time performance rate of 71%, the route experiences an average delay of 23 minutes per flight, based on a total of 580 flights annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Chicago (ORD) → Buffalo (BUF) route is operated by American Airlines, United Airlines. Across 704 flights monitored in recent months, 71% arrived on time (within 15 min of schedule), with an average delay of 25 minutes. The cancellation rate is 5.11%. FlightGuard's average computed risk is 22.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Buffalo the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 2.0 minutes.
Heading to Buffalo: what to expect in this direction
Flying from Chicago (ORD) to Buffalo (BUF) heads east for about 760 km, a flight time of roughly 1h 22m.
Departures from Chicago on this leg cluster in the morning window: about 37% of ORD-BUF flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into Buffalo it is 2.0 min (atfm).
Across 704 tracked ORD-BUF flights, 71% left on time with an average delay of 25 min and a 5.1% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating ORD-BUF
Airports
Frequently asked questions about ORD-BUF
On the Chicago (ORD) -> Buffalo (BUF) route, on-time performance is 71% with an average delay of 25 minutes, based on 704 tracked flights.
The cancellation rate on Chicago-Buffalo is 5.11% across 704 monitored flights.
The route is operated by 2 airlines: American Airlines, United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Buffalo, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
