AA 3790 then UA 3910 at O'Hare
Dallas-Fort Worth → Chicago → Newark
Timetable, Chicago time
23:00AA 3790 from Dallas-Fort Worth at the gate
07:30UA 3910 to Newark leaves the gate
8 h 30 apart on the timetable, overnight
The last days
AA 3790 and UA 3910 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.