Flight OddsAA4638 ORD → ATL
American Airlines · Chicago, IL to Atlanta, GA · 26 flights observed, 2025-12-02 to 2026-01-05 · 606 mi
AA4638 covers more than one route in the data window — the stats below are for ORD → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+9 min
90th percentile
+98 min
Cancellation rate
0%
How often is AA4638 on time?
Across 26 flights on ORD → ATL from 2025-12-02 to 2026-01-05, AA4638 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +98 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 | 14 | 54% |
| 16-30 min | 3 | 12% |
| 31-60 min | 3 | 12% |
| 61-120 min | 4 | 15% |
| 2+ hrs | 2 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 21 | 52% | +32 min |
| 2026-01 | 5 | 60% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 2 | 0% |
| Wed | No data | — |
| Thu | 4 | 100% |
| Fri | 5 | 20% |
| Sat | 5 | 60% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…