For many years London to New York has been the most glamorous and profitable route in BA's long-haul network. This was the route made famous by Concorde, and even today BA's JFK terminal caters for more of the rich and famous than anywhere else.

This looks at the heart of BA's New York operations to discover what it takes to keep the 28 flights a day running smoothly on this all-important route, even as the worst winter on record causes cancellations and delays.

At the other extreme, BA is opening a new route to the Chinese city of Chengdu. China is a key new market, but BA is well behind its rivals and having to learn fast how to cope with the unique challenges of operating in mainland China.

Back at Heathrow, the cabin crew trainees reach the moment of truth. Will they all make it through the course or will some of them learn the hard way that they aren't quite what BA considers the right stuff? Show less