AA4998 MKE → ORD
American Airlines · Milwaukee, WI to Chicago, IL · 83 flights observed, 2025-07-01 to 2026-01-05 · 67 mi
AA4998 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
63%
Median delay
+8 min
90th percentile
+80 min
Cancellation rate
6%
How often is AA4998 on time?
Across 83 flights on MKE → ORD from 2025-07-01 to 2026-01-05, AA4998 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was +8 min, and the worst 10% of flights arrived +80 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 63% |
| 16-30 min | 5 | 6% |
| 31-60 min | 10 | 13% |
| 61-120 min | 11 | 14% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 60% | +61 min |
| 2025-08 | 28 | 54% | +26 min |
| 2025-09 | 2 | 100% | -7 min |
| 2025-12 | 13 | 77% | -8 min |
| 2026-01 | 5 | 80% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 55% |
| Tue | 11 | 55% |
| Wed | 10 | 70% |
| Thu | 12 | 75% |
| Fri | 11 | 45% |
| Sat | 11 | 73% |
| Sun | 12 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…