LGA → IAD: cancellations & delays
Over Jan 2023 - Apr 2026, 4.0% of LaGuardia Airport (LGA) to Washington Dulles International Airport (IAD) flights were cancelled and 19.2% arrived at least 15 minutes late, across 2,917 flights, flown by YX, 9E, UA. Cancellations peak in July.
Check today's live LGA departures →Airport pages: LaGuardia Airport (LGA) · 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.