CM 1892 then UA 3900 at San Francisco
Las Vegas → San Francisco → Rio De Janeiro
Timetable, San Francisco time
17:08CM 1892 from Las Vegas at the gatealso UA 2047, LX 3331, AC 5198, VA 8126, NZ 9243
16:00UA 3900 to Rio De Janeiro leaves the gate
22 h 52 apart on the timetable, overnight
UA 3900 leaves 22 h 52 after CM 1892 arrives on the timetable: more than half a day, so not a connection we count.