AA 3822 then UA 4772 at O'Hare
Harrisburg → Chicago → Peoria
Timetable, Chicago time
16:38AA 3822 from Harrisburg at the gate
19:56UA 4772 to Peoria leaves the gate
3 h 18 apart on the timetable
The last days
AA 3822 and UA 4772 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.