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 4129 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

WN 4129 · DAL → PHX

departs 2:30 PM CT · arrives 2:55 PM MT

Forecast issued Wed 12:00 AM ET · 16h before departure

WN 4129 isn’t flying DAL → PHX today

This listing came from a typical schedule. According to the FAA, WN 4129 flies these legs today:

DCA → MDW · 12:16 PM · scheduled