MU 8665 then UA 488 at San Francisco
New York JFK → San Francisco → Nashville
Timetable, San Francisco time
22:42MU 8665 from New York JFK at the gate
12:40UA 488 to Nashville leaves the gatealso VA 8170, NZ 9139
13 h 58 apart on the timetable, overnight
UA 488 leaves 13 h 58 after MU 8665 arrives on the timetable: more than half a day, so not a connection we count.