Dallas to Los Angeles — airline reliability comparison
Delta Air Lines is the most reliable airline on the DFW to LAX route with a 86% on-time rate, compared to Frontier Airlines at 71%. Based on 2,580 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 |
|---|---|---|---|---|
| Delta Air LinesDLBest | 86% | 1.5% | 97m | 2,580 |
| Spirit AirlinesNK | 78% | 1.2% | 67m | 3,290 |
| American AirlinesAA | 71% | 1.7% | 67m | 17,043 |
| Frontier AirlinesF9Worst | 71% | 1.5% | 69m | 958 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.