Grand Rapids to Detroit — airline reliability comparison
Delta Air Lines is the most reliable airline on the GRR to DTW route with a 89% on-time rate, compared to SkyWest Airlines at 80%. Based on 1,765 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 | 89% | 1.5% | 77m | 1,765 |
| Endeavor Air9E | 86% | 0.5% | 51m | 276 |
| Republic AirwaysYX | 85% | 0.0% | 60m | 119 |
| SkyWest AirlinesOOWorst | 80% | 0.4% | 84m | 3,060 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.