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 4120 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 4120 · MDW → LGA

departs 7:40 PM CT · arrives 10:55 PM ET

Forecast issued Sun 4:00 AM ET · 17h before departure

WN 4120 isn’t flying MDW → LGA today

This listing came from a typical schedule. According to the FAA, WN 4120 flies these legs today:

RDU → FLL · 6:40 PM · scheduled
DEN → BWI · 12:40 AM · scheduled