AA 2812 then AA 2446 at Boston
Los Angeles → Boston → Miami (MIA)
Timetable, Boston time
23:59AA 2812 from Los Angeles at the gate
11:08AA 2446 to Miami (MIA) leaves the gate
11 h 09 apart on the timetable, overnight
The last days
AA 2812 and AA 2446 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.