Flight OddsAA4156 ORD → GRB
American Airlines · Chicago, IL to Green Bay, WI · 27 flights observed, 2025-08-06 to 2025-09-02 · 173 mi
AA4156 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
85%
Median delay
-9 min
90th percentile
+48 min
Cancellation rate
0%
How often is AA4156 on time?
Across 27 flights on ORD → GRB from 2025-08-06 to 2025-09-02, AA4156 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +48 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 | 23 | 85% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 4% |
| 61-120 min | 3 | 11% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 25 | 84% | +5 min |
| 2025-09 | 2 | 100% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 100% |
| Tue | 3 | 100% |
| Wed | 4 | 100% |
| Thu | 4 | 75% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…