Your flight from Naples (NAP) to London (LHR) is about 1,630 km: if it arrived 3+ hours late, was cancelled or you were denied boarding, EU Regulation 261/2004 entitles you to up to €400 per person, with any airline, because it departs from Italy. Check your case in 30 seconds.
Applies to every flight departing from Italy, with any airline (Delta, United, American, Emirates, Ryanair, ITA Airways…). Not for delays caused by bad weather or air traffic control strikes.
📚 Official: air passenger rights on the EU portal · Other routes ›