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.

REPUBLIC · FLIGHT YX 4391 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

YX 4391 · PWM → ORD

departs 6:10 AM ET · arrives 8:21 AM CT

Forecast issued Wed 1:00 PM ET · 7h after departure

YX 4391 isn’t flying PWM → ORD today

This listing came from a typical schedule. According to the FAA, YX 4391 flies these legs today:

MSN → BOS · 8:33 AM · scheduled
MSN → BOS · 8:41 AM · landed