AA 4521 then DL 8947 at Boston
Rochester → Boston → Columbus (Ohio)
Timetable, Boston time
06:30AA 4521 from Rochester at the gate
12:00DL 8947 to Columbus (Ohio) leaves the gate
5 h 30 apart on the timetable
The last days
AA 4521 and DL 8947 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.