AA 2143 then DL 9964 at Boston
Chicago O'Hare → Boston → Atlanta
Timetable, Boston time
11:36AA 2143 from Chicago O'Hare at the gate
15:00DL 9964 to Atlanta leaves the gate
3 h 24 apart on the timetable
Today
From the airport’s board at 06:29 Boston time
11:36AA 2143 due at the gate, no estimate yet
15:00DL 9964 due to leave, no estimate yet
3 h 24 between the gates, on these times
The last days
AA 2143 and DL 9964 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.