AA3427 MIA → BHM

American Airlines · Miami, FL to Birmingham, AL · 307 flights observed, 2025-07-01 to 2026-06-30 · 661 mi

AA3427 covers more than one route in the data window — the stats below are for MIA → BHM, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
84%
Median delay
-5 min
90th percentile
+26 min
Cancellation rate
0%

How often is AA3427 on time?

Across 307 flights on MIA → BHM from 2025-07-01 to 2026-06-30, AA3427 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time25884%
16-30 min248%
31-60 min155%
61-120 min83%
2+ hrs10%

Performance by month

MonthFlightsOn-timeAvg delay
2025-073177%-3 min
2025-083090%-8 min
2025-0930100%-9 min
2025-102295%-12 min
2025-112990%+10 min
2025-122781%+2 min
2026-013187%-4 min
2026-022879%+6 min
2026-033171%+8 min
2026-04683%+6 min
2026-051191%+4 min
2026-063073%+9 min

Performance by day of week

DayFlightsOn-time
Mon4687%
Tue4190%
Wed4085%
Thu4393%
Fri4580%
Sat4678%
Sun4578%

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