American Airlines · Raleigh/Durham, NC to New York, NY · 20 flights observed, 2025-08-06 to 2025-09-02 · 431 mi
AA4639 covers more than one route in the data window — the stats below are for RDU → LGA, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA4639 on time?
Across 20 flights on RDU → LGA from 2025-08-06 to 2025-09-02, AA4639 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 80% |
| 16-30 min | 3 | 15% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 18 | 78% | +5 min |
| 2025-09 | 2 | 100% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 50% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 4 | 75% |
| Sat | No data | — |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…