AA 1924 then AA 1812 at O'Hare
Valparaiso → Chicago → Miami
Timetable, Chicago time
14:19AA 1924 from Valparaiso at the gate
16:43AA 1812 to Miami leaves the gate
2 h 24 apart on the timetable
The last days
AA 1924 and AA 1812 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.