AA 3790 then CV 12 at O'Hare
Dallas-Fort Worth → Chicago → Luxembourg
Timetable, Chicago time
23:00AA 3790 from Dallas-Fort Worth at the gate
03:46CV 12 to Luxembourg leaves the gate
4 h 46 apart on the timetable, overnight
The last days
AA 3790 and CV 12 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.