AA 3891 then UA 216 at DFW
Abilene → Dallas-Fort Worth → San Francisco
Timetable, Dallas-Fort Worth time
09:10AA 3891 from Abilene at the gate
09:00UA 216 to San Francisco leaves the gate
23 h 50 apart on the timetable, overnight
UA 216 leaves 23 h 50 after AA 3891 arrives on the timetable: more than half a day, so not a connection we count.