How do you become a millionaire?
Start with a billion pounds then launch an airline.
The joke attributed to Sir Richard Branson, of Virgin Atlantic fame and fortune, goes some way to convey how difficult it is to run a profitable airline.
Between oil prices, delays and disruption and a fiercely competitive marketplace, air travel may seem like big business but it is notoriously tough.
That said, it’s not all scraping a living. New analysis by aviation experts OAG has highlighted the specific routes on which some of the world’s biggest airlines make their money – and it’s a lot of money.
The single route that earned the most revenue in the 12 months to March 2019 was British Airways’ flights between...