UA 3852 then CX 7944 at San Francisco
Ontario → San Francisco → Seattle
Timetable, San Francisco time
14:00UA 3852 from Ontario at the gate
06:08CX 7944 to Seattle leaves the gatealso QR 8805
16 h 08 apart on the timetable, overnight
CX 7944 leaves 16 h 08 after UA 3852 arrives on the timetable: more than half a day, so not a connection we count.