AA 3239 then AA 2812 at LAX
Miami → Los Angeles → Boston
Timetable, Los Angeles time
12:52AA 3239 from Miami at the gate
15:37AA 2812 to Boston leaves the gate
2 h 45 apart on the timetable
The last days
AA 3239 and AA 2812 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.