UA 209 then AV 5055 at Bogotá
Houston → Bogota → Buenos Aires Ezeiza
Timetable, Bogota time
05:10UA 209 from Houston at the gate
20:30AV 5055 to Buenos Aires Ezeiza leaves the gate
15 h 20 apart on the timetable
AV 5055 leaves 15 h 20 after UA 209 arrives on the timetable: more than half a day, so not a connection we count.