Flight OddsAA4727 CHA → ORD
American Airlines · Chattanooga, TN to Chicago, IL · 45 flights observed, 2025-11-02 to 2025-12-17 · 501 mi
AA4727 covers more than one route in the data window — the stats below are for CHA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
53%
Median delay
+13 min
90th percentile
+141 min
Cancellation rate
4%
How often is AA4727 on time?
Across 45 flights on CHA → ORD from 2025-11-02 to 2025-12-17, AA4727 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +141 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 23 | 53% |
| 16-30 min | 4 | 9% |
| 31-60 min | 4 | 9% |
| 61-120 min | 6 | 14% |
| 2+ hrs | 6 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 26 | 62% | +20 min |
| 2025-12 | 17 | 41% | +66 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 7 | 86% |
| Wed | 7 | 71% |
| Thu | 5 | 40% |
| Fri | 6 | 50% |
| Sat | 5 | 80% |
| Sun | 7 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…