DL 4099 then UA 198 at LAX
Reno → Los Angeles → Shanghai
Timetable, Los Angeles time
13:52DL 4099 from Reno at the gate
12:45UA 198 to Shanghai leaves the gate
22 h 53 apart on the timetable, overnight
UA 198 leaves 22 h 53 after DL 4099 arrives on the timetable: more than half a day, so not a connection we count.