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Is Southwest Airlines on time St. Louis to San Antonio?

547 flights · January 2025 – August 2026 · all airlines on STL to SAT →

80.96%

Arrived on time

Route average 80.96%

0.18%

Cancelled

Route average 0.18%

53 min

When late, late by

Month by month

Jul 2025 peak 92 Jun 2026
On-time arrival rate, %