Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 1421 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 1421 · DEN → DAL

departs 1:50 PM MT · arrives 4:55 PM CT

Forecast issued Sun 4:00 PM ET · 0h before departure

WN 1421 isn’t flying DEN → DAL today

This listing came from a typical schedule. According to the FAA, WN 1421 flies these legs today:

HNL → KOA · 8:45 PM · landed
HNL → KOA · 8:45 PM · scheduled