Flight OddsAA4938 MKE → ORD
American Airlines · Milwaukee, WI to Chicago, IL · 57 flights observed, 2025-10-06 to 2025-12-02 · 67 mi
AA4938 covers more than one route in the data window — the stats below are for MKE → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+9 min
90th percentile
+97 min
Cancellation rate
4%
How often is AA4938 on time?
Across 57 flights on MKE → ORD from 2025-10-06 to 2025-12-02, AA4938 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +97 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 64% |
| 16-30 min | 2 | 4% |
| 31-60 min | 7 | 13% |
| 61-120 min | 8 | 15% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 26 | 62% | +31 min |
| 2025-11 | 27 | 70% | +24 min |
| 2025-12 | 2 | 0% | +63 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 78% |
| Tue | 9 | 56% |
| Wed | 8 | 50% |
| Thu | 7 | 71% |
| Fri | 8 | 63% |
| Sat | 7 | 71% |
| Sun | 7 | 57% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…