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 4203 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 4203 · PHX → HOU

departs 3:30 PM MT · arrives 8:05 PM CT

Forecast issued Sun 3:00 AM ET · 16h before departure

WN 4203 isn’t flying PHX → HOU today

This listing came from a typical schedule. According to the FAA, WN 4203 flies these legs today:

TUL → DEN · 6:15 AM · scheduled