AV 2055 then UA 648 at San Francisco
Monterey → San Francisco → Las Vegas
Timetable, San Francisco time
20:51AV 2055 from Monterey at the gatealso UA 4633, LH 8529
12:28UA 648 to Las Vegas leaves the gatealso AC 4078, VA 8120, NZ 9228
15 h 37 apart on the timetable, overnight
UA 648 leaves 15 h 37 after AV 2055 arrives on the timetable: more than half a day, so not a connection we count.