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 4374 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Yesterday

YX 4374 · LGA → BOS

departs 5:59 PM ET · arrives 7:28 PM ET

Forecast issued Wed 10:00 PM ET · 4h after departure

YX 4374 isn’t flying LGA → BOS on Wed, Sep 30

This listing came from a typical schedule. According to the FAA, YX 4374 flies these legs that day:

BNA → DCA · 3:32 PM · scheduled
BNA → DCA · 4:26 PM · landed