AF 2420 then UA 3900 at San Francisco
Minneapolis → San Francisco → Rio De Janeiro
Timetable, San Francisco time
17:15AF 2420 from Minneapolis at the gate
16:00UA 3900 to Rio De Janeiro leaves the gate
22 h 45 apart on the timetable, overnight
UA 3900 leaves 22 h 45 after AF 2420 arrives on the timetable: more than half a day, so not a connection we count.