Flight OddsAA3663 ORD → GRB
American Airlines · Chicago, IL to Green Bay, WI · 73 flights observed, 2025-07-03 to 2026-06-30 · 173 mi
AA3663 covers more than one route in the data window — the stats below are for ORD → GRB, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-2 min
90th percentile
+55 min
Cancellation rate
3%
How often is AA3663 on time?
Across 73 flights on ORD → GRB from 2025-07-03 to 2026-06-30, AA3663 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +55 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 | 51 | 72% |
| 16-30 min | 9 | 13% |
| 31-60 min | 6 | 8% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 58% | +19 min |
| 2025-08 | 5 | 60% | +25 min |
| 2026-05 | 11 | 91% | -3 min |
| 2026-06 | 29 | 79% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 82% |
| Tue | 11 | 100% |
| Wed | 8 | 38% |
| Thu | 10 | 70% |
| Fri | 10 | 70% |
| Sat | 10 | 70% |
| Sun | 11 | 64% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…