AV 8388 then LA 4535 at Bogotá
Guayaquil → Bogota → Medellín
Timetable, Bogota time
11:00AV 8388 from Guayaquil at the gate
20:45LA 4535 to Medellín leaves the gate
9 h 45 apart on the timetable
Bogotá’s board gives an arrival time for only about 52% of its flights, so many days show no gate time.
The last days
AV 8388 and LA 4535 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.