SAT → STL: cancellations & delays
Over Jan 2023 - Apr 2026, 0.7% of San Antonio International Airport (SAT) to St. Louis Lambert International Airport (STL) flights were cancelled and 13.2% arrived at least 15 minutes late, across 1,702 flights, flown by WN. Cancellations peak in January.
Check today's live SAT departures →Airport pages: San Antonio International Airport (SAT) · 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.