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 4509 · STL → LGA
departs 3:20 PM CT · arrives 6:55 PM ET
YX 4509 isn’t flying STL → LGA today
This listing came from a typical schedule. According to the FAA, YX 4509 flies these legs today:
- EYW → PHL · 2:53 PM · scheduled