UA 751 then AA 9912 at O'Hare
Charlotte → Chicago → Columbus (Ohio)
Timetable, Chicago time
07:26UA 751 from Charlotte at the gate
15:00AA 9912 to Columbus (Ohio) leaves the gate
7 h 34 apart on the timetable
The last days
UA 751 and AA 9912 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.