Delta Air Lines is the most reliable airline on the MCO to SEA route with a 79% on-time rate, compared to Alaska Airlines at 78%. Based on 2,498 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MCO to SEA
Orlando to Seattle — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines79%
Alaska Airlines78%
MCO to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 79% | 1.3% | 70m | 2,498 |
| Alaska AirlinesASWorst | 78% | 1.6% | 58m | 4,108 |
Route Overview
78%
Overall On-Time
64m
Avg Delay
1.6%
Cancel Rate
6,606
Total Flights
Flying out of MCO? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.