Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 2421 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29

WN 2421 · PHX → MSY

departs 12:20 PM MT · arrives 5:20 PM CT

Forecast issued Tue 10:00 PM ET · 7h after departure

WN 2421 isn’t flying PHX → MSY on Tue, Sep 29

This listing came from a typical schedule. According to the FAA, WN 2421 flies these legs that day:

AUS → ONT · 10:56 AM · landed
AUS → ONT · 11:04 AM · scheduled