AZ 615 then W4 164 at Fiumicino
Boston → Rome → Madrid
Timetable, Rome time
07:15AZ 615 from Boston at the gate
10:20W4 164 to Madrid leaves the gate
3 h 05 apart on the timetable
Fiumicino’s board shows about 63% of departures at their timetable time, so delays of a few minutes don’t show here.
The last days
AZ 615 and W4 164 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.