F9 3971 then SY 604 at Phoenix
Dallas-Fort Worth → Phoenix → Minneapolis
Timetable, Phoenix time
11:31F9 3971 from Dallas-Fort Worth at the gate
11:25SY 604 to Minneapolis leaves the gate
23 h 54 apart on the timetable, overnight
SY 604 leaves 23 h 54 after F9 3971 arrives on the timetable: more than half a day, so not a connection we count.