Pittsburgh to Chicago — airline reliability comparison
Republic Airways is the most reliable airline on the PIT to ORD route with a 90% on-time rate, compared to SkyWest Airlines at 77%. Based on 3,872 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% | 1.0% | 61m | 3,872 |
| United AirlinesUA | 83% | 1.3% | 84m | 3,916 |
| MQ | 81% | 1.3% | 64m | 1,037 |
| American AirlinesAA | 78% | 1.9% | 108m | 2,186 |
| SkyWest AirlinesOOWorst | 77% | 1.3% | 81m | 470 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.