Chicago to Austin — airline reliability comparison
Republic Airways is the most reliable airline on the ORD to AUS route with a 83% on-time rate, compared to Frontier Airlines at 60%. Based on 113 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 | 83% | 2.0% | 68m | 113 |
| United AirlinesUA | 79% | 1.1% | 60m | 4,739 |
| MQ | 79% | 1.0% | 45m | 926 |
| Southwest AirlinesWN | 74% | 1.2% | 49m | 1,429 |
| American AirlinesAA | 71% | 1.5% | 75m | 3,768 |
| SkyWest AirlinesOO | 60% | 0.0% | 44m | 25 |
| Frontier AirlinesF9Worst | 60% | 3.9% | 122m | 114 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.