DL 876 then DL 3843 at Detroit
Santa Ana → Detroit → Buffalo
Timetable, Detroit time
19:40DL 876 from Santa Ana at the gate
17:56DL 3843 to Buffalo leaves the gate
22 h 16 apart on the timetable, overnight
DL 3843 leaves 22 h 16 after DL 876 arrives on the timetable: more than half a day, so not a connection we count.