Orlando to Atlanta — airline reliability comparison
Delta Air Lines is the most reliable airline on the MCO to ATL route with a 78% on-time rate, compared to Frontier Airlines at 65%. Based on 19,426 flights tracked.
This route involves 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 |
|---|---|---|---|---|
| Delta Air LinesDLBest | 78% | 0.9% | 84m | 19,426 |
| Southwest AirlinesWN | 75% | 1.0% | 59m | 5,258 |
| Spirit AirlinesNK | 68% | 1.9% | 67m | 2,566 |
| Frontier AirlinesF9Worst | 65% | 2.5% | 77m | 3,868 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.