ET 574 then OO 9922 at O'Hare
Rome → Chicago → Charlotte
Timetable, Chicago time
07:40ET 574 from Rome at the gate
11:40OO 9922 to Charlotte leaves the gate
4 h apart on the timetable
Today
From the airport’s board at 12:43 Chicago time
06:55ET 574 reached the gate45 min early
11:40OO 9922 due to leave, no estimate yet
4 h 45 between the gates, on these times
The last days
ET 574 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.