AA 1648 then AA 9908 at O'Hare
Syracuse → Chicago → Salt Lake City
Timetable, Chicago time
07:31AA 1648 from Syracuse at the gate
18:15AA 9908 to Salt Lake City leaves the gate
10 h 44 apart on the timetable
The last days
AA 1648 and AA 9908 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.