MU 8665 then AA 948 at San Francisco
New York JFK → San Francisco → Chicago O'Hare
Timetable, San Francisco time
22:38MU 8665 from New York JFK at the gate
14:32AA 948 to Chicago O'Hare leaves the gate
15 h 54 apart on the timetable, overnight
AA 948 leaves 15 h 54 after MU 8665 arrives on the timetable: more than half a day, so not a connection we count.