Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4140 SCHEDULED · TYPICAL SCHEDULE

Monday, October 5 Today

WN 4140 · MDW → ATL

departs 6:50 PM CT · arrives 9:50 PM ET

Forecast issued Mon 7:00 AM ET · 13h before departure

WN 4140 isn’t flying MDW → ATL today

This listing came from a typical schedule. According to the FAA, WN 4140 flies these legs today:

TPA → AUS · 10:20 AM · scheduled
TPA → AUS · 10:24 AM · scheduled