AA 446 then AV 2354 at San Francisco
Dallas-Fort Worth → San Francisco → Denver
Timetable, San Francisco time
00:39AA 446 from Dallas-Fort Worth at the gatealso BA 6767
16:24AV 2354 to Denver leaves the gate
15 h 45 apart on the timetable
AV 2354 leaves 15 h 45 after AA 446 arrives on the timetable: more than half a day, so not a connection we count.