PHX → STS: cancellations & delays
Over Jan 2023 - Apr 2026, 0.2% of Phoenix Sky Harbor International Airport (PHX) to Charles M. Schulz Sonoma County Airport (STS) flights were cancelled and 15.4% arrived at least 15 minutes late, across 1,863 flights, flown by MQ, OO, AA. Cancellations peak in September.
Check today's live PHX departures →Airport pages: Phoenix Sky Harbor International Airport (PHX) · Charles M. Schulz Sonoma County Airport (STS)
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.