AA 6212 then OO 435 at O'Hare
Madison → Chicago → Oklahoma City
Timetable, Chicago time
12:55AA 6212 from Madison at the gate
13:30OO 435 to Oklahoma City leaves the gate
35 min apart on the timetable
The last days
AA 6212 and OO 435 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.