AA3646 ORD → BMI

American Airlines · Chicago, IL to Bloomington/Normal, IL · 54 flights observed, 2026-02-12 to 2026-04-06 · 116 mi

This flight has been getting less reliable recently — 2026-04's on-time rate (50%) is well below the 84% average from earlier months.

AA3646 covers more than one route in the data window — the stats below are for ORD → BMI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
-8 min
90th percentile
+66 min
Cancellation rate
4%

How often is AA3646 on time?

Across 54 flights on ORD → BMI from 2026-02-12 to 2026-04-06, AA3646 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +66 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4179%
16-30 min12%
31-60 min48%
61-120 min510%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-021788%-4 min
2026-032979%+7 min
2026-04650%+54 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue771%
Wed6100%
Thu875%
Fri771%
Sat875%
Sun875%

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