AA 2455 then AA 1004 at LAX
Boston → Los Angeles → Chicago O'Hare
Timetable, Los Angeles time
11:28AA 2455 from Boston at the gate
12:47AA 1004 to Chicago O'Hare leaves the gate
1 h 19 apart on the timetable
The last days
AA 2455 and AA 1004 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.