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.
Today
YX 4397 · BOS → LGA
departs 8:00 PM ET · arrives 9:26 PM ET
YX 4397 isn’t flying BOS → LGA today
This listing came from a typical schedule. According to the FAA, YX 4397 flies these legs today: