AA 3721 then AA 6326 at O'Hare
Appleton → Chicago → Lexington
Timetable, Chicago time
06:59AA 3721 from Appleton at the gate
08:24AA 6326 to Lexington leaves the gate
1 h 25 apart on the timetable
The last days
AA 3721 and AA 6326 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.