LAS → IAD: cancellations & delays
Over Jan 2023 - Apr 2026, 1.0% of Harry Reid International Airport (LAS) to Washington Dulles International Airport (IAD) flights were cancelled and 16.0% arrived at least 15 minutes late, across 3,317 flights, flown by UA, F9, AS. Cancellations peak in January.
Check today's live LAS departures →Airport pages: Harry Reid International Airport (LAS) · 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.