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Is Southwest Airlines on time St. Louis to Houston?

1,533 flights · January 2025 – August 2026 · all airlines on STL to HOU →

79.28%

Arrived on time

Route average 79.28%

0.2%

Cancelled

Route average 0.2%

54 min

When late, late by

Month by month

Jul 2025 peak 95 Jun 2026
On-time arrival rate, %