Flight OddsAA3539 SDF → ORD
American Airlines · Louisville, KY to Chicago, IL · 45 flights observed, 2025-07-03 to 2025-10-05 · 286 mi
AA3539 covers more than one route in the data window — the stats below are for SDF → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-14 min
90th percentile
+9 min
Cancellation rate
0%
How often is AA3539 on time?
Across 45 flights on SDF → ORD from 2025-07-03 to 2025-10-05, AA3539 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +9 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 | 41 | 91% |
| 16-30 min | 1 | 2% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 87% | +2 min |
| 2025-08 | 4 | 75% | -1 min |
| 2025-09 | 15 | 100% | -12 min |
| 2025-10 | 3 | 100% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | No data | — |
| Wed | 4 | 100% |
| Thu | 9 | 100% |
| Fri | 9 | 89% |
| Sat | 4 | 100% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…