FR 1307 then AM 20 at Madrid
Napoli → Madrid → Mexico City
Timetable, Madrid time
12:55FR 1307 from Napoli at the gate
13:30AM 20 to Mexico City leaves the gate
35 min apart on the timetable
The last days
FR 1307 and AM 20 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.