DL 1091 then UA 863 at San Francisco
Salt Lake City → San Francisco → Sydney
Timetable, San Francisco time
23:59DL 1091 from Salt Lake City at the gatealso VS 4542
23:05UA 863 to Sydney leaves the gatealso LX 3158, VA 8005, LH 9327, NZ 9863
23 h 06 apart on the timetable, overnight
UA 863 leaves 23 h 06 after DL 1091 arrives on the timetable: more than half a day, so not a connection we count.