AA4557 DCA → TYS

American Airlines · Washington, DC to Knoxville, TN · 5 flights observed, 2025-07-05 to 2025-08-02 · 437 mi

AA4557 covers more than one route in the data window — the stats below are for DCA → TYS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
40%
Median delay
+34 min
90th percentile
+111 min
Cancellation rate
0%

How often is AA4557 on time?

Across 5 flights on DCA → TYS from 2025-07-05 to 2025-08-02, AA4557 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +34 min, and the worst 10% of flights arrived +111 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time240%
16-30 min00%
31-60 min240%
61-120 min00%
2+ hrs120%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07425%+50 min
2025-081100%-11 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat540%
SunNo data—

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