SMF → SFO: cancellations & delays
Over Jan 2023 - Apr 2026, 1.3% of Sacramento International Airport (SMF) to San Francisco International Airport (SFO) flights were cancelled and 23.0% arrived at least 15 minutes late, across 3,747 flights, flown by OO, UA. Cancellations peak in November.
Check today's live SMF departures →Airport pages: Sacramento International Airport (SMF) · San Francisco International Airport (SFO)
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.