DL 2231 then DL 116 at Salt Lake City
Chicago O'Hare → Salt Lake City → Oklahoma City
Timetable, Salt Lake City time
10:10DL 2231 from Chicago O'Hare at the gate
09:31DL 116 to Oklahoma City leaves the gate
23 h 21 apart on the timetable, overnight
DL 116 leaves 23 h 21 after DL 2231 arrives on the timetable: more than half a day, so not a connection we count.