Is Southwest Airlines on time St. Louis to Portland?

34 flights · January 2025 – August 2026 · all airlines on STL to PDX →

57.58%

Arrived on time

Route average 75.61%

2.94%

Cancelled

Route average 1.2%

28 min

When late, late by

The other airlines on this route

Airline Flights On time Grade
Alaska Airlines 49 87.76%

Month by month

Jul 2025 peak 87 Jun 2026
On-time arrival rate, %