UA 1478 then UA 3262 at Houston
Edmonton → Houston → Gulfport
Timetable, Houston time
13:21UA 1478 from Edmonton at the gate
07:00UA 3262 to Gulfport leaves the gate
17 h 39 apart on the timetable, overnight
UA 3262 leaves 17 h 39 after UA 1478 arrives on the timetable: more than half a day, so not a connection we count.