A keen investor may choose to snap up both firms and create a transatlantic brokering powerhouse.
But just as likely is that this disagreement will prompt another transatlantic reconciliation-and that it will be along European lines.
CNN air travel expert Richard Quest said the twin-engine plane, a stalwart of transatlantic routes, had an impeccable safety record, with only one fatal incident involving a training flight in 1994.
They are our transatlantic friends.
The DoT is now requiring collusion on some transpacific, as well as transatlantic, flights.
It connects the City of London to the rest of the world. It is the fortress that guards the lucrative transatlantic business of British Airways (BA).
Now they want to start negotiating on what has been misnamed a transatlantic free-trade area, but is in reality an effort to scrap barriers caused by different standards and regulations.
Dig deeper and you uncover a number of telling differences in transatlantic attitudes.
Karsten Voigt, the German diplomat in charge of transatlantic ties, sees a "minimal risk" of an American-Iranian clash before the 2008 presidential election.
The transatlantic liner forged ahead through the waves.
WHEN an airliner takes off for a transatlantic flight it needs to carry some 80 tonnes of fuel, which accounts for around one-fifth of its weight.
The President affirmed America's commitment to its transatlantic (ie European) allies.
What keeps these aircraft industry going are the small jets that whisk people several times a day from New York to Houston or from London to Madrid — not the big transatlantic jets.
The rivalry between New York and London is merely the most tangible sign of a booming transatlantic business in financial services.
The transatlantic relationship is loveless.
Each alliance has at its core a group of carriers which pool their flights in the huge transatlantic market.
However brief or casual his involvement, this made him part of the first transatlantic popular music industry.