SAN → SEA: cancellations & delays
Over Jan 2023 - Apr 2026, 1.2% of San Diego International Airport (SAN) to Seattle–Tacoma International Airport (SEA) flights were cancelled and 17.9% arrived at least 15 minutes late, across 15,274 flights, flown by AS, DL, OO, WN. Cancellations peak in January.
Check today's live SAN departures →Airport pages: San Diego International Airport (SAN) · Seattle–Tacoma International Airport (SEA)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.