Flight OddsAA4988 ORD → MKE
American Airlines · Chicago, IL to Milwaukee, WI · 36 flights observed, 2025-07-01 to 2025-08-05 · 67 mi
AA4988 covers more than one route in the data window — the stats below are for ORD → MKE, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
51%
Median delay
+10 min
90th percentile
+191 min
Cancellation rate
3%
How often is AA4988 on time?
Across 36 flights on ORD → MKE from 2025-07-01 to 2025-08-05, AA4988 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +191 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 | 18 | 51% |
| 16-30 min | 0 | 0% |
| 31-60 min | 7 | 20% |
| 61-120 min | 4 | 11% |
| 2+ hrs | 6 | 17% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 50% | +56 min |
| 2025-08 | 5 | 60% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 6 | 83% |
| Wed | 5 | 60% |
| Thu | 5 | 40% |
| Fri | 5 | 20% |
| Sat | 5 | 60% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…