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

31 flights · January 2025 – August 2026 · all airlines on SJU to STL →

76.67%

Arrived on time

Route average 76.67%

3.23%

Cancelled

Route average 3.23%

47 min

When late, late by

Month by month

Jul 2025 peak 100 Jun 2026
On-time arrival rate, %