American Airlines · Nashville, TN to Raleigh/Durham, NC · 105 flights observed, 2025-11-03 to 2026-06-30 · 442 mi
AA4639 covers more than one route in the data window — the stats below are for BNA → RDU, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA4639 on time?
Across 105 flights on BNA → RDU from 2025-11-03 to 2026-06-30, AA4639 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +23 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 90 | 87% |
| 16-30 min | 6 | 6% |
| 31-60 min | 3 | 3% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 23 | 87% | +4 min |
| 2025-12 | 16 | 81% | +12 min |
| 2026-02 | 17 | 94% | -10 min |
| 2026-03 | 7 | 100% | -15 min |
| 2026-05 | 11 | 64% | +25 min |
| 2026-06 | 30 | 90% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 80% |
| Tue | 15 | 93% |
| Wed | 14 | 100% |
| Thu | 15 | 80% |
| Fri | 15 | 80% |
| Sat | 15 | 93% |
| Sun | 15 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…