UA 949 then UA 552 at San Francisco
London → San Francisco → Redmond
Timetable, San Francisco time
16:55UA 949 from London at the gatealso LX 3048, AC 5082, OS 7855, SN 9101, LH 9378, NZ 9855
16:20UA 552 to Redmond leaves the gate
23 h 25 apart on the timetable, overnight
UA 552 leaves 23 h 25 after UA 949 arrives on the timetable: more than half a day, so not a connection we count.