STS → PDX: cancellations & delays
Over Jan 2023 - Apr 2026, 1.5% of Charles M. Schulz Sonoma County Airport (STS) to Portland International Airport (PDX) flights were cancelled and 15.6% arrived at least 15 minutes late, across 1,050 flights, flown by OO, AS. Cancellations peak in January.
Check today's live STS departures →Airport pages: Charles M. Schulz Sonoma County Airport (STS) · Portland International Airport (PDX)
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.