DL 1091 then UA 528 at San Francisco
Salt Lake City → San Francisco → Cleveland
Timetable, San Francisco time
23:59DL 1091 from Salt Lake City at the gatealso VS 4542
23:20UA 528 to Cleveland leaves the gatealso VA 8487, NZ 9041, OZ 9525
23 h 21 apart on the timetable, overnight
UA 528 leaves 23 h 21 after DL 1091 arrives on the timetable: more than half a day, so not a connection we count.