DL 1724 then CV 98 at O'Hare
Boston → Chicago → Luxembourg
Timetable, Chicago time
18:20DL 1724 from Boston at the gate
23:15CV 98 to Luxembourg leaves the gate
4 h 55 apart on the timetable
The last days
DL 1724 and CV 98 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.