AA1255 MCI → MIA

American Airlines · Kansas City, MO to Miami, FL · 65 flights observed, 2025-11-02 to 2026-01-05 · 1,251 mi

This flight's scheduled flight time has grown by 10 min since 2025-11 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

AA1255 covers more than one route in the data window — the stats below are for MCI → MIA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-14 min
90th percentile
+11 min
Cancellation rate
2%

How often is AA1255 on time?

Across 65 flights on MCI → MIA from 2025-11-02 to 2026-01-05, AA1255 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +11 min or later. 2% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5892%
16-30 min23%
31-60 min12%
61-120 min23%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-112793%-10 min
2025-123194%-8 min
2026-01580%-7 min

Performance by day of week

DayFlightsOn-time
Mon978%
Tue989%
Wed989%
Thu989%
Fri8100%
Sat9100%
Sun10100%

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