AA4645 DCA → STL

American Airlines · Washington, DC to St. Louis, MO · 20 flights observed, 2025-10-06 to 2025-10-31 · 719 mi

AA4645 covers more than one route in the data window — the stats below are for DCA → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
85%
Median delay
+1 min
90th percentile
+20 min
Cancellation rate
0%

How often is AA4645 on time?

Across 20 flights on DCA → STL from 2025-10-06 to 2025-10-31, AA4645 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +20 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1785%
16-30 min210%
31-60 min15%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-102085%-1 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue4100%
Wed475%
Thu475%
Fri4100%
SatNo data—
SunNo data—

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