Alaska Airlines is the most reliable airline on the SEA to SNA route with a 86% on-time rate, compared to SkyWest Airlines at 83%. Based on 9,677 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to SNA
Seattle to Santa Ana — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines86%
Delta Air Lines85%
SkyWest Airlines83%
SEA to SNA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 86% | 1.0% | 42m | 9,677 |
| Delta Air LinesDL | 85% | 0.6% | 81m | 4,036 |
| SkyWest AirlinesOOWorst | 83% | 0.4% | 42m | 638 |
Route Overview
86%
Overall On-Time
54m
Avg Delay
0.9%
Cancel Rate
14,355
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.