AA 1668 then CV 69B at O'Hare
Dallas-Fort Worth → Chicago → Luxembourg
Timetable, Chicago time
23:15AA 1668 from Dallas-Fort Worth at the gate
04:00CV 69B to Luxembourg leaves the gate
4 h 45 apart on the timetable, overnight
The last days
AA 1668 and CV 69B 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.