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 3221 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29 Yesterday

WN 3221 · PHL → DEN

departs 5:40 PM ET · arrives 7:45 PM MT

Forecast issued Tue 10:00 PM ET · 4h after departure

WN 3221 isn’t flying PHL → DEN on Tue, Sep 29

This listing came from a typical schedule. According to the FAA, WN 3221 flies these legs that day:

BWI → MCO · 4:37 PM · landed
BWI → MCO · 4:42 PM · scheduled