Orlando to Chicago — airline reliability comparison
United Airlines is the most reliable airline on the MCO to ORD route with a 78% on-time rate, compared to Spirit Airlines at 66%. Based on 7,954 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 |
|---|---|---|---|---|
| United AirlinesUABest | 78% | 1.4% | 76m | 7,954 |
| American AirlinesAA | 75% | 1.4% | 91m | 5,788 |
| Southwest AirlinesWN | 74% | 1.1% | 59m | 2,148 |
| Frontier AirlinesF9 | 72% | 1.6% | 72m | 1,337 |
| Spirit AirlinesNKWorst | 66% | 2.2% | 71m | 2,690 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.