Delta Air Lines sits in a unique position when it comes to transatlantic travel. The airline not only operates an extremely healthy transatlantic network of its own, but it also has multiple different partner airlines scattered across Europe, which help support its dynamic operations. The airline primarily focuses its transatlantic operations on serving major hub facilities on the continent with high-volume, high-frequency services from its bases in the United States, including Hartsfield-Jackson Atlanta International Airport (ATL) and New York's John F. Kennedy International Airport (JFK). The airline enjoys having multiple major connecting partners in Europe, including Virgin Atlantic at London...