AA 685 then AA 1148 at Phoenix
San Diego → Phoenix → Chicago O'Hare
Timetable, Phoenix time
20:20AA 685 from San Diego at the gate
00:36AA 1148 to Chicago O'Hare leaves the gate
4 h 16 apart on the timetable, overnight
The last days
AA 685 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.