Flight OddsAA4537 ORD → TYS
American Airlines · Chicago, IL to Knoxville, TN · 26 flights observed, 2025-09-05 to 2025-10-05 · 475 mi
AA4537 covers more than one route in the data window — the stats below are for ORD → TYS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
96%
Median delay
-5 min
90th percentile
+5 min
Cancellation rate
0%
How often is AA4537 on time?
Across 26 flights on ORD → TYS from 2025-09-05 to 2025-10-05, AA4537 arrived within 15 minutes of schedule 96% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +5 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 | 25 | 96% |
| 16-30 min | 1 | 4% |
| 31-60 min | 0 | 0% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-09 | 22 | 100% | -8 min |
| 2025-10 | 4 | 75% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 4 | 100% |
| Wed | 4 | 100% |
| Thu | 4 | 100% |
| Fri | 5 | 80% |
| Sat | No data | — |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…