UA 561 then MX 229 at San Francisco
Kansas City → San Francisco → Louisville
Timetable, San Francisco time
20:10UA 561 from Kansas City at the gatealso OZ 6318, NZ 9502
11:54MX 229 to Louisville leaves the gate
15 h 44 apart on the timetable, overnight
MX 229 leaves 15 h 44 after UA 561 arrives on the timetable: more than half a day, so not a connection we count.