AA 3516 then UA 1492 at O'Hare
Lansing → Chicago → Columbus (Ohio)
Timetable, Chicago time
06:00AA 3516 from Lansing at the gate
18:01UA 1492 to Columbus (Ohio) leaves the gate
12 h 01 apart on the timetable
UA 1492 leaves 12 h 01 after AA 3516 arrives on the timetable: more than half a day, so not a connection we count.