UA 3280 then UA 3905 at Houston
Greensboro → Houston → Chicago
Timetable, Houston time
09:45UA 3280 from Greensboro at the gate
23:00UA 3905 to Chicago leaves the gate
13 h 15 apart on the timetable
UA 3905 leaves 13 h 15 after UA 3280 arrives on the timetable: more than half a day, so not a connection we count.