NH 7241 then MX 229 at San Francisco
Chicago O'Hare → San Francisco → Louisville
Timetable, San Francisco time
08:48NH 7241 from Chicago O'Hare at the gate
06:30MX 229 to Louisville leaves the gate
21 h 42 apart on the timetable, overnight
MX 229 leaves 21 h 42 after NH 7241 arrives on the timetable: more than half a day, so not a connection we count.