UA 718 then UA 552 at San Francisco
Mexico City → San Francisco → Redmond
Timetable, San Francisco time
16:44UA 718 from Mexico City at the gatealso AC 5033
16:20UA 552 to Redmond leaves the gate
23 h 36 apart on the timetable, overnight
UA 552 leaves 23 h 36 after UA 718 arrives on the timetable: more than half a day, so not a connection we count.