Ryanair has been voted by the customers of a travel information service on-line called "TripAdvisor" as the worst airline of the year, for what concerns the cramped seats, unfriendly staff and delays. The Irish carrier is not the only one to be voted for low quality service; also other low-cost airlines like easyJet (at the second place) collected many critics. A list that seems to penalize the low-fare...