MIA → JAX American Airlines

American Airlines · Miami, FL to Jacksonville, FL · 1,526 flights, 2025-07-01 to 2026-06-30 · aggregated across 52 flight numbers

This route runs much more reliably at some times of day than others — 100% on-time departing 9am–12pm vs. 63% departing 9pm–12am.
On-time arrival
75%
Median delay
-4 min
90th percentile
+50 min
Cancellation rate
1%

How on-time is American Airlines from MIA to JAX?

Across every American Airlines flight number on MIA → JAX (1,526 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +50 min or later. 1% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1,12975%
16-30 min1278%
31-60 min1349%
61-120 min835%
2+ hrs393%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0715265%+17 min
2025-0813167%+19 min
2025-0911877%+6 min
2025-1014179%+16 min
2025-1114289%+1 min
2025-1213575%+7 min
2026-0112776%+13 min
2026-0211379%+7 min
2026-039771%+9 min
2026-0411478%+3 min
2026-0512269%+16 min
2026-0612070%+14 min

Performance by day of week

DayFlightsOn-time
Mon21878%
Tue21781%
Wed20978%
Thu21578%
Fri21869%
Sat22475%
Sun21164%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…