AV 2067 then UA 1145 at San Francisco
Sacramento → San Francisco → Cancún
Timetable, San Francisco time
07:15AV 2067 from Sacramento at the gate
23:00UA 1145 to Cancún leaves the gate
15 h 45 apart on the timetable
UA 1145 leaves 15 h 45 after AV 2067 arrives on the timetable: more than half a day, so not a connection we count.