AA 3872 then AA 6326 at O'Hare
Peoria → Chicago → Lexington
Timetable, Chicago time
07:16AA 3872 from Peoria at the gate
08:21AA 6326 to Lexington leaves the gate
1 h 05 apart on the timetable
The last days
AA 3872 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.