Travellers often assume that economy class seating is equally uncomfortable across all airlines, but that’s not true, according to a new ranking. Some airlines are worse than others, offering even less legroom than their competitors – and less overall comfort.

For many seasoned flyers, a few extra inches of legroom can make a big difference on a long flight. Narrow seats can also make for a more squashy experience, with the passenger in the seat next door encroaching on the already limited…