IAD → LAX: cancellations & delays
Over Jan 2023 - Apr 2026, 1.0% of Washington Dulles International Airport (IAD) to Los Angeles International Airport (LAX) flights were cancelled and 18.7% arrived at least 15 minutes late, across 8,185 flights, flown by UA, AS, AA. Cancellations peak in January.
Check today's live IAD departures →Airport pages: Washington Dulles International Airport (IAD) · Los Angeles International Airport (LAX)
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.