Delta Air Lines is the most reliable airline on the FLL to SEA route with a 77% on-time rate, compared to Alaska Airlines at 73%. Based on 1,304 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: FLL to SEA
Fort Lauderdale to Seattle — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines77%
Alaska Airlines73%
FLL to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 77% | 1.3% | 89m | 1,304 |
| Alaska AirlinesASWorst | 73% | 2.3% | 54m | 1,909 |
Route Overview
74%
Overall On-Time
67m
Avg Delay
2.1%
Cancel Rate
3,213
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.