BUF → IAD: cancellations & delays
Over Jan 2023 - Apr 2026, 2.0% of Buffalo Niagara International Airport (BUF) to Washington Dulles International Airport (IAD) flights were cancelled and 13.4% arrived at least 15 minutes late, across 351 flights, flown by YX, UA. Cancellations peak in January.
Check today's live BUF departures →Airport pages: Buffalo Niagara International Airport (BUF) · Washington Dulles International Airport (IAD)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.