DL 876 then UA 3536 at Detroit
Santa Ana → Detroit → Chicago O'Hare
Timetable, Detroit time
19:40DL 876 from Santa Ana at the gate
12:35UA 3536 to Chicago O'Hare leaves the gate
16 h 55 apart on the timetable, overnight
UA 3536 leaves 16 h 55 after DL 876 arrives on the timetable: more than half a day, so not a connection we count.