SFO → STL: cancellations & delays
Over Jan 2023 - Apr 2026, 0.7% of San Francisco International Airport (SFO) to St. Louis Lambert International Airport (STL) flights were cancelled and 28.4% arrived at least 15 minutes late, across 1,541 flights, flown by WN, UA, OO. Cancellations peak in January.
Check today's live SFO departures →Airport pages: San Francisco International Airport (SFO) · St. Louis Lambert International Airport (STL)
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.