AA 344 then AA 2172 at Miami
Guatemala City → Miami → New York LaGuardia
Timetable, Miami time
09:46AA 344 from Guatemala City at the gate
16:27AA 2172 to New York LaGuardia leaves the gate
6 h 41 apart on the timetable
The last days
AA 344 and AA 2172 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.