AA 536 then N8 813 at O'Hare
Charlotte → Chicago → Houston
Timetable, Chicago time
17:51AA 536 from Charlotte at the gate
21:40N8 813 to Houston leaves the gate
3 h 49 apart on the timetable
The last days
AA 536 and N8 813 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.