UA 3770 then OO 377 at San Francisco
Columbus (Ohio) → San Francisco → Salt Lake City
Timetable, San Francisco time
07:00UA 3770 from Columbus (Ohio) at the gate
19:49OO 377 to Salt Lake City leaves the gate
12 h 49 apart on the timetable
OO 377 leaves 12 h 49 after UA 3770 arrives on the timetable: more than half a day, so not a connection we count.