The Spanish carrier will serve the two cities three times weekly

A refreshed "restaurant-style dining experience" will be rolled out on Delta's international long-haul routes, while domestic-only travellers can automatically check-in using the Fly Delta app

The service eliminates the risk of losing out on poor exchange rates during the booking process

The new trains, which are similar in appearance to the AGV trains used in Italy, are designed to travel at speeds of up to 300 km/hr

The Queen of the Skies has had a good run, but a new wave of airlines are now retiring the jumbo jet in favour of newer aircraft