DL 1496 then AA 9794 at Phoenix
Salt Lake City → Phoenix → Chicago O'Hare
Timetable, Phoenix time
22:55DL 1496 from Salt Lake City at the gate
08:15AA 9794 to Chicago O'Hare leaves the gate
9 h 20 apart on the timetable, overnight
The last days
DL 1496 and AA 9794 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.