AA 3476 then AA 646 at Phoenix
Lexington → Phoenix → Lagos
Timetable, Phoenix time
09:25AA 3476 from Lexington at the gate
10:05AA 646 to Lagos leaves the gate
40 min apart on the timetable
The last days
AA 3476 and AA 646 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.