UA 1591 then VS 4118 at San Francisco
San Antonio → San Francisco → Los Angeles
Timetable, San Francisco time
11:02UA 1591 from San Antonio at the gatealso NZ 2372, UA 2490, AC 4201, EK 6003
09:58VS 4118 to Los Angeles leaves the gatealso AM 4294, LY 4519, LA 6826
22 h 56 apart on the timetable, overnight
VS 4118 leaves 22 h 56 after UA 1591 arrives on the timetable: more than half a day, so not a connection we count.