F9 1407 then DL 4633 at Atlanta
Buffalo → Atlanta → Fort Wayne
Timetable, Atlanta time
16:26F9 1407 from Buffalo at the gate
15:25DL 4633 to Fort Wayne leaves the gate
22 h 59 apart on the timetable, overnight
DL 4633 leaves 22 h 59 after F9 1407 arrives on the timetable: more than half a day, so not a connection we count.