How long is the flight?
DU-ra — stress on first syllable. Short and natural question.
At the start of a flight when you want to know the total flight time.
'Quanto dura' (how long does it last) uses the verb 'durare' (to last/to take). This verb is used for durations of films, concerts, journeys, and events. The answer typically uses 'circa' (approximately) + time expression. It is a common question to ask cabin crew.
Il volo è di circa tre ore.
The flight is about three hours.
State the duration to confirm what you've read
Stiamo volando a che quota?
What altitude are we flying at?
Curiosity question — pilots often announce this
Passiamo sopra le Alpi?
Do we fly over the Alps?
Fun question for window seat passengers on Alpine routes
Italy's domestic flight network connects major cities in 1-2 hours. Milan to Rome is about 1h15. Rome to Palermo is about 1h20. International flights from Italy to other European cities average 2-3 hours. Long-haul flights to North America average 9-10 hours, and to East Asia 12-14 hours.