Detroit to Phoenix — airline reliability comparison
American Airlines is the most reliable airline on the DTW to PHX route with a 82% on-time rate, compared to Frontier Airlines at 78%. Based on 2,031 flights tracked.
This route involves weather-prone 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 | 82% | 0.8% | 110m | 2,031 |
| Spirit AirlinesNK | 78% | 0.9% | 62m | 221 |
| Delta Air LinesDL | 78% | 0.6% | 66m | 4,884 |
| Frontier AirlinesF9Worst | 78% | 1.4% | 98m | 1,207 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.