About 1 in 3 AA 4534 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (30%); 6.9% were cancelled. The typical flight landed 7 minutes early.
AA 4534: LGA → GSP
Scheduled to leave New York at 9:43 a.m. local time, operated by Republic Airways as YX 4534. Over the past year it arrived on time 70% of the time (202 flights), worse than other AA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 71% |
| Tuesday | 33 | 61% |
| Wednesday | 33 | 76% |
| Thursday | 33 | 67% |
| Friday | 32 | 69% |
| Saturday | 12 | — |
| Sunday | 25 | 68% |
Why it was late
All flights LGA → GSP · Connecting off AA 4534? Check the risk
AA 4534: GSP → LGA
Scheduled to leave Greer at 12:55 p.m. local time, operated by Republic Airways as YX 4534. Over the past year it arrived on time 63% of the time (198 flights), worse than other AA flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 34 | 59% |
| Tuesday | 30 | 57% |
| Wednesday | 33 | 64% |
| Thursday | 32 | 53% |
| Friday | 33 | 73% |
| Saturday | 3 | — |
| Sunday | 33 | 67% |
Why it was late
All flights GSP → LGA · Connecting off AA 4534? Check the risk
Questions
How often is AA 4534 from LGA to GSP late?
American Airlines 4534 from New York, NY to Greer, SC arrived 15 or more minutes late, was diverted or was cancelled on 30% of 202 scheduled flights between September 2025 and August 2026. 6.9% were cancelled.
How often is AA 4534 from GSP to LGA late?
American Airlines 4534 from Greer, SC to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 37% of 198 scheduled flights between September 2025 and August 2026. 8.1% 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.