Chicago to Buffalo — airline reliability comparison
is the most reliable airline on the ORD to BUF route with a 80% on-time rate, compared to American Airlines at 62%. Based on 1,792 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 |
|---|---|---|---|---|
| MQBest | 80% | 1.1% | 62m | 1,792 |
| Republic AirwaysYX | 79% | 3.2% | 54m | 925 |
| United AirlinesUA | 76% | 1.2% | 67m | 2,284 |
| SkyWest AirlinesOO | 74% | 3.1% | 67m | 869 |
| American AirlinesAAWorst | 62% | 1.5% | 83m | 983 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.