TK 9590 then UA 1668 at San Francisco
Las Vegas → San Francisco → San Diego
Timetable, San Francisco time
15:19TK 9590 from Las Vegas at the gate
13:50UA 1668 to San Diego leaves the gatealso AC 4559, NH 7300, VA 8431
22 h 31 apart on the timetable, overnight
UA 1668 leaves 22 h 31 after TK 9590 arrives on the timetable: more than half a day, so not a connection we count.