UA 3498 then OO 9922 at O'Hare
Louisville → Chicago → Charlotte
Timetable, Chicago time
05:55UA 3498 from Louisville at the gate
11:40OO 9922 to Charlotte leaves the gate
5 h 45 apart on the timetable
Today
From the airport’s board at 12:27 Chicago time
05:55UA 3498 is cancelled
11:40OO 9922 due to leave, no estimate yet
The last days
UA 3498 and OO 9922 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.