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Is Southwest Airlines on time Chicago to St. Louis?

1,705 flights · January 2025 – August 2026 · all airlines on MDW to STL →

81.55%

Arrived on time

Route average 81.55%

1.06%

Cancelled

Route average 1.06%

60 min

When late, late by

Month by month

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