Flight OddsAA4512 CHA → ORD
American Airlines · Chattanooga, TN to Chicago, IL · 78 flights observed, 2025-10-07 to 2026-01-04 · 501 mi
AA4512 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
83%
Median delay
-6 min
90th percentile
+34 min
Cancellation rate
3%
How often is AA4512 on time?
Across 78 flights on CHA → ORD from 2025-10-07 to 2026-01-04, AA4512 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +34 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 63 | 83% |
| 16-30 min | 5 | 7% |
| 31-60 min | 3 | 4% |
| 61-120 min | 2 | 3% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 25 | 80% | +3 min |
| 2025-11 | 29 | 93% | +6 min |
| 2025-12 | 20 | 70% | +18 min |
| 2026-01 | 2 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 11 | 82% |
| Wed | 10 | 70% |
| Thu | 11 | 91% |
| Fri | 10 | 90% |
| Sat | 12 | 92% |
| Sun | 13 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…