AA6440 STL → ORD

American Airlines · St. Louis, MO to Chicago, IL · 22 flights observed, 2025-10-06 to 2025-10-30 · 258 mi

This flight has been on time less than half the time (27%) — expect a real chance of a delay.

AA6440 covers more than one route in the data window — the stats below are for STL → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
27%
Median delay
+33 min
90th percentile
+126 min
Cancellation rate
0%

How often is AA6440 on time?

Across 22 flights on STL → ORD from 2025-10-06 to 2025-10-30, AA6440 arrived within 15 minutes of schedule 27% of the time. The median arrival delay was +33 min, and the worst 10% of flights arrived +126 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time627%
16-30 min523%
31-60 min627%
61-120 min29%
2+ hrs314%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102227%+80 min

Performance by day of week

DayFlightsOn-time
Mon425%
Tue30%
Wed333%
Thu425%
Fri367%
Sat20%
Sun333%

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