AA4605 STL → ORD

American Airlines · St. Louis, MO to Chicago, IL · 15 flights observed, 2025-12-03 to 2025-12-17 · 258 mi

AA4605 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
53%
Median delay
+1 min
90th percentile
+123 min
Cancellation rate
0%

How often is AA4605 on time?

Across 15 flights on STL → ORD from 2025-12-03 to 2025-12-17, AA4605 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +123 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time853%
16-30 min17%
31-60 min320%
61-120 min17%
2+ hrs213%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121553%+31 min

Performance by day of week

DayFlightsOn-time
Mon2100%
Tue2100%
Wed333%
Thu2100%
Fri20%
Sat250%
Sun20%

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