UA 790 then AV 2354 at San Francisco
Dallas-Fort Worth → San Francisco → Denver
Timetable, San Francisco time
09:01UA 790 from Dallas-Fort Worth at the gatealso AC 3659, NH 7373, VA 8275, NZ 9090
05:00AV 2354 to Denver leaves the gate
19 h 59 apart on the timetable, overnight
AV 2354 leaves 19 h 59 after UA 790 arrives on the timetable: more than half a day, so not a connection we count.