Flights Washington → Buffalo
IAD → BUF
Route overview
The flight route from Washington to Buffalo operates with a high level of punctuality, achieving an on-time performance rate of 83%. Over the course of a year, approximately 2.85 million flights are conducted along this route using various aircraft models including the De Havilland Canada DHC-8 series and Embraer jets, with an average delay time of 21 minutes per flight.
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 Washington (IAD) → Buffalo (BUF) route is operated by United Airlines. Across 365 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of 19 minutes. The cancellation rate is 4.11%. FlightGuard's average computed risk is 27.2/100 (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 Washington the average ATFM delay is 2.0 minutes.
Heading to Buffalo: what to expect in this direction
Flying from Washington (IAD) to Buffalo (BUF) heads north for about 457 km, a flight time of roughly 59m.
Departures from Washington on this leg cluster in the midday window: about 31% of IAD-BUF flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 2.0 min (atfm); arriving into Buffalo it is 2.0 min (atfm).
Across 365 tracked IAD-BUF flights, 82% left on time with an average delay of 19 min and a 4.1% cancellation rate.
Route facts
Flights on this route
Check the risk of a specific flight.
Flexible on this trip? Compare flights
Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating IAD-BUF
Airports
Frequently asked questions about IAD-BUF
On the Washington (IAD) -> Buffalo (BUF) route, on-time performance is 82% with an average delay of 19 minutes, based on 365 tracked flights.
The cancellation rate on Washington-Buffalo is 4.11% across 365 monitored flights.
The route is operated by 1 airline: 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.