Rapid City to Chicago — airline reliability comparison
Republic Airways is the most reliable airline on the RAP to ORD route with a 90% on-time rate, compared to at 72%. Based on 30 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 |
|---|---|---|---|---|
| Republic AirwaysYXBest | 90% | 0.0% | 101m | 30 |
| SkyWest AirlinesOO | 79% | 1.3% | 100m | 441 |
| United AirlinesUA | 78% | 1.3% | 77m | 662 |
| MQWorst | 72% | 0.9% | 70m | 586 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.