Phoenix to Detroit — airline reliability comparison
Delta Air Lines is the most reliable airline on the PHX to DTW route with a 87% on-time rate, compared to Spirit Airlines at 78%. Based on 4,883 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 |
|---|---|---|---|---|
| Delta Air LinesDLBest | 87% | 0.7% | 82m | 4,883 |
| Frontier AirlinesF9 | 81% | 1.5% | 68m | 1,207 |
| American AirlinesAA | 79% | 0.7% | 76m | 2,032 |
| Spirit AirlinesNKWorst | 78% | 1.2% | 101m | 222 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.