AA4966 GRR → ORD

American Airlines · Grand Rapids, MI to Chicago, IL · 36 flights observed, 2025-08-06 to 2025-11-01 · 137 mi

This flight has been on time less than half the time (29%) — expect a real chance of a delay.

AA4966 covers more than one route in the data window — the stats below are for GRR → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
29%
Median delay
+26 min
90th percentile
+124 min
Cancellation rate
3%

How often is AA4966 on time?

Across 36 flights on GRR → ORD from 2025-08-06 to 2025-11-01, AA4966 arrived within 15 minutes of schedule 29% of the time. The median arrival delay was +26 min, and the worst 10% of flights arrived +124 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1029%
16-30 min926%
31-60 min617%
61-120 min617%
2+ hrs411%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082520%+65 min
2025-0920%+45 min
2025-10757%+25 min
2025-111100%+15 min

Performance by day of week

DayFlightsOn-time
Mon40%
Tue520%
Wed540%
Thu540%
Fri520%
Sat650%
Sun520%

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