AA 296 then CV 27 at O'Hare
Houston → Chicago → Luxembourg
Timetable, Chicago time
13:23AA 296 from Houston at the gate
17:40CV 27 to Luxembourg leaves the gate
4 h 17 apart on the timetable
The last days
AA 296 and CV 27 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.