AA4728 BOS → MIA

American Airlines · Boston, MA to Miami, FL · 5 flights observed, 2026-01-10 to 2026-02-07 · 1,258 mi

AA4728 covers more than one route in the data window — the stats below are for BOS → MIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
40%
Median delay
+20 min
90th percentile
+66 min
Cancellation rate
0%

How often is AA4728 on time?

Across 5 flights on BOS → MIA from 2026-01-10 to 2026-02-07, AA4728 arrived within 15 minutes of schedule 40% of the time. The median arrival delay was +20 min, and the worst 10% of flights arrived +66 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 min240%
31-60 min00%
61-120 min120%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-01450%+3 min
2026-0210%+91 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…