AA4998 MKE → ORD

American Airlines · Milwaukee, WI to Chicago, IL · 83 flights observed, 2025-07-01 to 2026-01-05 · 67 mi

This flight's scheduled flight time has grown by 19 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

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).

ArrivalFlightsShare
Early / on-time4963%
16-30 min56%
31-60 min1013%
61-120 min1114%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073060%+61 min
2025-082854%+26 min
2025-092100%-7 min
2025-121377%-8 min
2026-01580%-10 min

Performance by day of week

DayFlightsOn-time
Mon1155%
Tue1155%
Wed1070%
Thu1275%
Fri1145%
Sat1173%
Sun1267%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…