UA 1031 then OO 377 at San Francisco
Cleveland → San Francisco → Salt Lake City
Timetable, San Francisco time
11:00UA 1031 from Cleveland at the gatealso VA 8488, NZ 9045
10:38OO 377 to Salt Lake City leaves the gate
23 h 38 apart on the timetable, overnight
OO 377 leaves 23 h 38 after UA 1031 arrives on the timetable: more than half a day, so not a connection we count.