AA3678 ORD → MSN

American Airlines · Chicago, IL to Madison, WI · 21 flights observed, 2026-02-12 to 2026-03-07 · 108 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -3 min, while the worst 10% run +70 min or later.

AA3678 covers more than one route in the data window — the stats below are for ORD → MSN, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-3 min
90th percentile
+70 min
Cancellation rate
0%

How often is AA3678 on time?

Across 21 flights on ORD → MSN from 2026-02-12 to 2026-03-07, AA3678 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +70 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1676%
16-30 min15%
31-60 min15%
61-120 min210%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2026-021573%+10 min
2026-03683%+28 min

Performance by day of week

DayFlightsOn-time
Mon3100%
TueNo data—
Wed367%
Thu475%
Fri450%
Sat475%
Sun3100%

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