A

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

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

85.71%

Arrived on time

Route average 85.71%

0%

Cancelled

Route average 0%

52 min

When late, late by

Month by month

Jul 2025 peak 93 Jun 2026
On-time arrival rate, %