Washington to Los Angeles — airline reliability comparison
American Airlines is the most reliable airline on the DCA to LAX route with a 79% on-time rate, compared to Delta Air Lines at 78%. Based on 2,614 flights tracked.
This route involves high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 79% | 0.8% | 69m | 2,614 |
| Alaska AirlinesAS | 78% | 1.2% | 51m | 1,303 |
| Delta Air LinesDLWorst | 78% | 1.7% | 109m | 1,302 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.