AA 2158 then NZ 9628 at San Francisco
Chicago O'Hare → San Francisco → Salt Lake City
Timetable, San Francisco time
00:30AA 2158 from Chicago O'Hare at the gatealso AY 4088, RJ 7305
20:47NZ 9628 to Salt Lake City leaves the gate
20 h 17 apart on the timetable
NZ 9628 leaves 20 h 17 after AA 2158 arrives on the timetable: more than half a day, so not a connection we count.