Detroit to Greenville — airline reliability comparison
Endeavor Air is the most reliable airline on the DTW to GSP route with a 85% on-time rate, compared to SkyWest Airlines at 78%. Based on 409 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 |
|---|---|---|---|---|
| Endeavor Air9EBest | 85% | 0.4% | 53m | 409 |
| Delta Air LinesDL | 80% | 1.3% | 71m | 965 |
| SkyWest AirlinesOOWorst | 78% | 1.9% | 72m | 527 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.