About 1 in 3 AA 4577 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (38%); 11.4% were cancelled. The typical flight landed 5 minutes early.
AA 4577: LGA → GSO
Scheduled to leave New York at 8:55 p.m. local time, operated by Republic Airways as YX 4577. Over the past year it arrived on time 62% of the time (307 flights), in line with other AA flights on the route at that hour (61%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from New York to Greensboro (100% of days). American Airlines's last LGA–GSO flight was cancelled 10.8% of the time, against 4.3% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 8:19 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 60% |
| Tuesday | 52 | 69% |
| Wednesday | 50 | 70% |
| Thursday | 50 | 56% |
| Friday | 49 | 61% |
| Saturday | 2 | — |
| Sunday | 51 | 53% |
Why it was late
All flights LGA → GSO · Connecting off AA 4577? Check the risk
Questions
How often is AA 4577 from LGA to GSO late?
American Airlines 4577 from New York, NY to Greensboro/High Point, NC arrived 15 or more minutes late, was diverted or was cancelled on 38% of 307 scheduled flights between September 2025 and August 2026. 11.4% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.