UA 2197 then AA 3508 at O'Hare
Houston → Chicago → Lansing
Timetable, Chicago time
21:40UA 2197 from Houston at the gate
21:15AA 3508 to Lansing leaves the gate
23 h 35 apart on the timetable, overnight
AA 3508 leaves 23 h 35 after UA 2197 arrives on the timetable: more than half a day, so not a connection we count.