
Billion-dollar route: British Airways' service between London Heathrow and New York JFK is the only route in the world to generate more than a billion dollars in annual revenue.

Premium: "With over 30% of BA seats on the route in either First or Business Class the importance and the value of the route is clear to see," says air travel intelligence company OAG.

Hoi polloi: Here's the view from economy on British Airways, which operates Boeing 747s and 777-200s on the route.

Club World food: Club World customers dine on delicacies including slow-braised Herefordshire beef cheek, while in first, passengers are tucking into lobster tortelloni.

Elemis spa: There's an Elemis spa available to premium customers at both Heathrow and JFK.

White Company: Bedding is by the White Company. In First, passengers can slip into Temperley London loungewear and slippers.

First Wing: At Heathrow Terminal 5, British Airways staff greet passengers at the first wing lounge.

New York JFK: The new food court area at New York JFK.