UA 520 then OO 377 at San Francisco
Burbank → San Francisco → Salt Lake City
Timetable, San Francisco time
11:18UA 520 from Burbank at the gatealso AC 3286
10:38OO 377 to Salt Lake City leaves the gate
23 h 20 apart on the timetable, overnight
OO 377 leaves 23 h 20 after UA 520 arrives on the timetable: more than half a day, so not a connection we count.