Denver to Tulsa — airline reliability comparison
SkyWest Airlines is the most reliable airline on the DEN to TUL route with a 82% on-time rate, compared to Southwest Airlines at 71%. Based on 3,342 flights tracked.
This route involves weather-prone airports and 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 |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 82% | 0.7% | 63m | 3,342 |
| United AirlinesUA | 72% | 0.8% | 65m | 1,108 |
| Southwest AirlinesWNWorst | 71% | 0.9% | 52m | 3,472 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.