UA 6013 then UA 6086 at Houston
Grand Rapids → Houston → Shreveport
Timetable, Houston time
08:35UA 6013 from Grand Rapids at the gate
07:00UA 6086 to Shreveport leaves the gate
22 h 25 apart on the timetable, overnight
UA 6086 leaves 22 h 25 after UA 6013 arrives on the timetable: more than half a day, so not a connection we count.