FX 1447 then TK 6015 at O'Hare
Memphis → Chicago → Houston
Timetable, Chicago time
04:04FX 1447 from Memphis at the gate
03:30TK 6015 to Houston leaves the gate
23 h 26 apart on the timetable, overnight
TK 6015 leaves 23 h 26 after FX 1447 arrives on the timetable: more than half a day, so not a connection we count.