EI 123 then OO 9912 at O'Hare
Dublin → Chicago → Columbus (Ohio)
Timetable, Chicago time
14:10EI 123 from Dublin at the gate
15:30OO 9912 to Columbus (Ohio) leaves the gate
1 h 20 apart on the timetable
Today
From the airport’s board at 20:35 Chicago time
13:27EI 123 reached the gate43 min early
16:14OO 9912 left the gate44 min late
2 h 47 between the gates
The last days
EI 123 and OO 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.