AA3221 STT → MIA

American Airlines · Charlotte Amalie, VI to Miami, FL · 30 flights observed, 2026-03-08 to 2026-04-06 · 1,107 mi

This flight has been getting more reliable recently — 2026-04's on-time rate (100%) is well above the 71% average from earlier months.

AA3221 covers more than one route in the data window — the stats below are for STT → MIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-7 min
90th percentile
+47 min
Cancellation rate
0%

How often is AA3221 on time?

Across 30 flights on STT → MIA from 2026-03-08 to 2026-04-06, AA3221 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2377%
16-30 min27%
31-60 min310%
61-120 min13%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032471%+6 min
2026-046100%-8 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue4100%
Wed4100%
Thu4100%
Fri450%
Sat450%
Sun560%

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