AA 882 then F9 1342 at DFW
Buffalo → Dallas-Fort Worth → Chicago O'Hare
Timetable, Dallas-Fort Worth time
09:33AA 882 from Buffalo at the gate
06:55F9 1342 to Chicago O'Hare leaves the gate
21 h 22 apart on the timetable, overnight
F9 1342 leaves 21 h 22 after AA 882 arrives on the timetable: more than half a day, so not a connection we count.