CM 2339 then LA 6165 at San Francisco
Salt Lake City → San Francisco → Boston
Timetable, San Francisco time
20:05CM 2339 from Salt Lake City at the gatealso AV 2359, AC 4239, UA 5457, VA 8448
15:00LA 6165 to Boston leaves the gatealso WS 8083
18 h 55 apart on the timetable, overnight
LA 6165 leaves 18 h 55 after CM 2339 arrives on the timetable: more than half a day, so not a connection we count.