UA 543 then AV 2036 at San Francisco
Chicago O'Hare → San Francisco → Seattle
Timetable, San Francisco time
13:30UA 543 from Chicago O'Hare at the gatealso AC 4163, VA 8089, NZ 9321
07:25AV 2036 to Seattle leaves the gate
17 h 55 apart on the timetable, overnight
AV 2036 leaves 17 h 55 after UA 543 arrives on the timetable: more than half a day, so not a connection we count.