AA 3346 then AA 947 at Boston
Washington National → Boston → Chicago O'Hare
Timetable, Boston time
23:59AA 3346 from Washington National at the gate
07:14AA 947 to Chicago O'Hare leaves the gate
7 h 15 apart on the timetable, overnight
The last days
AA 3346 and AA 947 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.