AA 4757 then AA 2881 at O'Hare
Kansas City → Chicago → Fort Lauderdale
Timetable, Chicago time
14:11AA 4757 from Kansas City at the gate
16:56AA 2881 to Fort Lauderdale leaves the gate
2 h 45 apart on the timetable
The last days
AA 4757 and AA 2881 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.