AV 2351 then AA 7516 at San Francisco
Denver → San Francisco → Palm Springs
Timetable, San Francisco time
19:11AV 2351 from Denver at the gate
16:11AA 7516 to Palm Springs leaves the gate
21 h apart on the timetable, overnight
AA 7516 leaves 21 h after AV 2351 arrives on the timetable: more than half a day, so not a connection we count.