Flight OddsAmerican Airlines · Chicago, IL to Raleigh/Durham, NC · 68 flights observed, 2025-07-03 to 2025-10-30 · 646 mi
AA4399 covers more than one route in the data window — the stats below are for ORD → RDU, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA4399 on time?
Across 68 flights on ORD → RDU from 2025-07-03 to 2025-10-30, AA4399 arrived within 15 minutes of schedule 49% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +96 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 | 33 | 49% |
| 16-30 min | 12 | 18% |
| 31-60 min | 7 | 10% |
| 61-120 min | 11 | 16% |
| 2+ hrs | 5 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +43 min |
| 2025-08 | 5 | 40% | +19 min |
| 2025-09 | 11 | 82% | +23 min |
| 2025-10 | 24 | 42% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 62% |
| Tue | 8 | 63% |
| Wed | 7 | 57% |
| Thu | 13 | 38% |
| Fri | 7 | 29% |
| Sat | 7 | 29% |
| Sun | 13 | 54% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…