UA 642 then AA 9951 at O'Hare
Cleveland → Chicago → Charlotte
Timetable, Chicago time
09:25UA 642 from Cleveland at the gate
12:00AA 9951 to Charlotte leaves the gate
2 h 35 apart on the timetable
Today
From the airport’s board at 11:29 Chicago time
09:10UA 642 reached the gate15 min early
12:00AA 9951 due to leave, no estimate yet
2 h 50 between the gates, on these times
The last days
UA 642 and AA 9951 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.