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 4142 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

WN 4142 · PHX → COS

departs 3:45 PM MT · arrives 6:30 PM MT

Forecast issued Wed 10:00 PM ET · 3h after departure

WN 4142 isn’t flying PHX → COS today

This listing came from a typical schedule. According to the FAA, WN 4142 flies these legs today:

CLE → STL · 7:28 PM · scheduled
CLE → STL · 7:33 PM · landed
MCO → MCI · 8:15 AM · scheduled