Baltimore to Chicago — airline reliability comparison
American Airlines is the most reliable airline on the BWI to ORD route with a 87% on-time rate, compared to SkyWest Airlines at 46%. Based on 696 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 |
|---|---|---|---|---|
| American AirlinesAABest | 87% | 1.8% | 149m | 696 |
| United AirlinesUA | 82% | 1.4% | 81m | 3,926 |
| Republic AirwaysYX | 82% | 3.3% | 96m | 424 |
| MQ | 81% | 1.6% | 66m | 2,049 |
| Southwest AirlinesWN | 80% | 1.1% | 55m | 2,343 |
| Frontier AirlinesF9 | 62% | 4.8% | 184m | 133 |
| SkyWest AirlinesOOWorst | 46% | 1.3% | 142m | 73 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.