SAN (San Diego) to SEA (Seattle) flights arrive on time 80% of the time. The average delay is 36 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SAN → SEA
SAN (San Diego) to SEA (Seattle)
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SAN → SEA on-time performance by month
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
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Data last updated March 2026. Source: Bureau of Transportation Statistics.