Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 431 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

WN 431 · DEN → PHX

departs 8:45 AM MT · arrives 9:40 AM MT

Forecast issued Wed 2:00 AM ET · 9h before departure

WN 431 isn’t flying DEN → PHX today

This listing came from a typical schedule. According to the FAA, WN 431 flies these legs today:

AUS → BNA · 9:17 AM · scheduled