Atlanta to Fort Lauderdale — airline reliability comparison
JetBlue Airways is the most reliable airline on the ATL to FLL route with a 78% on-time rate, compared to Frontier Airlines at 61%. Based on 1,393 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 |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 78% | 2.9% | 74m | 1,393 |
| Delta Air LinesDL | 75% | 1.2% | 59m | 15,069 |
| Southwest AirlinesWN | 74% | 0.7% | 54m | 2,479 |
| Spirit AirlinesNK | 70% | 2.0% | 75m | 5,722 |
| Frontier AirlinesF9Worst | 61% | 3.0% | 85m | 2,159 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.