Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

REPUBLIC · FLIGHT YX 4399 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29 Today

YX 4399 · BOS → CMH

departs 8:09 AM ET · arrives 10:30 AM ET

Forecast issued Tue 9:00 PM ET · 13h after departure

YX 4399 isn’t flying BOS → CMH today

This listing came from a typical schedule. According to the FAA, YX 4399 flies these legs today:

CMH → JFK · 2:39 PM · landed
JFK → CMH · 12:18 PM · landed
JFK → CMH · 12:22 PM · scheduled
CMH → JFK · 2:40 PM · landed
CMH → JFK · 2:49 PM · scheduled