UA 445 then AA 3324 at Boston
Denver → Boston → Chicago O'Hare
Timetable, Boston time
23:50UA 445 from Denver at the gate
05:54AA 3324 to Chicago O'Hare leaves the gate
6 h 04 apart on the timetable, overnight
The last days
UA 445 and AA 3324 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.