Chelsea have announced a two-year deal with one of the world's largest airlines, Delta Air Lines, which flies 160 million passengers per year around 350 destinations in 65 countries.
"It is a fantastic opportunity for Chelsea Football Club to partner ourselves with Delta Air Lines, an industry leader in aviation,' Chelsea chief executive Ron Gourlay said.
"Delta's passion for innovation and first-class service around the world make them a perfect match for us and we look forward to working together as we continue to develop the Chelsea name across the globe.
"It further demonstrates our commitment to growing our activities in America, highlighted by our 2012 summer tour that will take in Seattle, New York, Philadelphia and Miami."
Perry Cantarutti, Delta's senior vice-president for Europe, the Middle East and Africa, said: "We're delighted to sponsor Chelsea FC, a top-flight London club with a fan base of millions throughout Delta's worldwide network.
"Partnering with a leading club in the Premier League is an exciting way to strengthen our brand both in the UK and around the world."