STS → SAN: cancellations & delays
Over Jan 2023 - Apr 2026, 1.8% of Charles M. Schulz Sonoma County Airport (STS) to San Diego International Airport (SAN) flights were cancelled and 25.3% arrived at least 15 minutes late, across 2,331 flights, flown by OO, WN, AS. Cancellations peak in December.
Check today's live STS departures →Airport pages: Charles M. Schulz Sonoma County Airport (STS) · San Diego International Airport (SAN)
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.