AA4040 ORD → COU

American Airlines · Chicago, IL to Columbia, MO · 127 flights observed, 2025-10-06 to 2026-04-06 · 315 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -10 min, while the worst 10% run +51 min or later.

AA4040 covers more than one route in the data window — the stats below are for ORD → COU, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-10 min
90th percentile
+51 min
Cancellation rate
2%

How often is AA4040 on time?

Across 127 flights on ORD → COU from 2025-10-06 to 2026-04-06, AA4040 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +51 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time9475%
16-30 min97%
31-60 min119%
61-120 min76%
2+ hrs43%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102282%-4 min
2025-121560%+36 min
2026-012560%+17 min
2026-022889%-8 min
2026-032979%+1 min
2026-04667%+12 min

Performance by day of week

DayFlightsOn-time
Mon1963%
Tue1889%
Wed1979%
Thu1989%
Fri1759%
Sat1675%
Sun1771%

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