Detroit to Fort Lauderdale — airline reliability comparison
Delta Air Lines is the most reliable airline on the DTW to FLL route with a 78% on-time rate, compared to Frontier Airlines at 62%. Based on 5,971 flights tracked.
This route involves weather-prone 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% | 1.2% | 63m | 5,971 |
| Spirit AirlinesNK | 76% | 1.3% | 62m | 3,053 |
| JetBlue AirwaysB6 | 69% | 6.7% | 77m | 45 |
| Frontier AirlinesF9Worst | 62% | 2.9% | 57m | 102 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.