AA 1731 then AV 2354 at San Francisco
Dallas-Fort Worth → San Francisco → Denver
Timetable, San Francisco time
15:10AA 1731 from Dallas-Fort Worth at the gatealso QR 2239, QR 2719, QF 4747
05:00AV 2354 to Denver leaves the gate
13 h 50 apart on the timetable, overnight
AV 2354 leaves 13 h 50 after AA 1731 arrives on the timetable: more than half a day, so not a connection we count.