Flight OddsAA3521 ORD → ATW
American Airlines · Chicago, IL to Appleton, WI · 25 flights observed, 2026-03-09 to 2026-04-06 · 160 mi
AA3521 covers more than one route in the data window — the stats below are for ORD → ATW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+8 min
90th percentile
+79 min
Cancellation rate
16%
How often is AA3521 on time?
Across 25 flights on ORD → ATW from 2026-03-09 to 2026-04-06, AA3521 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +79 min or later. 16% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 13 | 62% |
| 16-30 min | 1 | 5% |
| 31-60 min | 3 | 14% |
| 61-120 min | 3 | 14% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 17 | 65% | +23 min |
| 2026-04 | 4 | 50% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 3 | 33% |
| Wed | 4 | 50% |
| Thu | 3 | 67% |
| Fri | 4 | 50% |
| Sat | 3 | 100% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…