AA 3213 then AA 1148 at Phoenix
Salt Lake City → Phoenix → Chicago O'Hare
Timetable, Phoenix time
21:59AA 3213 from Salt Lake City at the gate
00:36AA 1148 to Chicago O'Hare leaves the gate
2 h 37 apart on the timetable, overnight
The last days
AA 3213 and AA 1148 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.