CM 1892 then TP 4392 at San Francisco
Las Vegas → San Francisco → Boston
Timetable, San Francisco time
17:08CM 1892 from Las Vegas at the gatealso UA 2047, LX 3331, AC 5198, VA 8126, NZ 9243
10:44TP 4392 to Boston leaves the gate
17 h 36 apart on the timetable, overnight
TP 4392 leaves 17 h 36 after CM 1892 arrives on the timetable: more than half a day, so not a connection we count.