AA 797 then IB 38 at Boston
Chicago O'Hare → Boston → Madrid
Timetable, Boston time
18:49AA 797 from Chicago O'Hare at the gate
23:00IB 38 to Madrid leaves the gate
4 h 11 apart on the timetable
Boston’s board gives an arrival time for only about 59% of its flights, so many days show no gate time.
The last days
AA 797 and IB 38 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.
Later flights to Madrid
No later flight to Madrid on the timetable.