AV 2055 then EK 6388 at San Francisco
Monterey → San Francisco → Tucson
Timetable, San Francisco time
20:51AV 2055 from Monterey at the gatealso UA 4633, LH 8529
18:47EK 6388 to Tucson leaves the gate
21 h 56 apart on the timetable, overnight
EK 6388 leaves 21 h 56 after AV 2055 arrives on the timetable: more than half a day, so not a connection we count.