AA1251 MIA → JAX

American Airlines · Miami, FL to Jacksonville, FL · 18 flights observed, 2025-12-18 to 2026-01-05 · 335 mi

This flight has been on time less than half the time (44%) — expect a real chance of a delay.

AA1251 covers more than one route in the data window — the stats below are for MIA → JAX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
44%
Median delay
+18 min
90th percentile
+112 min
Cancellation rate
0%

How often is AA1251 on time?

Across 18 flights on MIA → JAX from 2025-12-18 to 2026-01-05, AA1251 arrived within 15 minutes of schedule 44% of the time. The median arrival delay was +18 min, and the worst 10% of flights arrived +112 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time844%
16-30 min422%
31-60 min317%
61-120 min16%
2+ hrs211%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121346%+13 min
2026-01540%+128 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed2100%
Thu250%
Fri333%
Sat333%
Sun30%

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