Delta Air Lines Vs. United Airlines: Which Carrier Wins On Transatlantic Routes?

United Airlines andDelta Air Lines are two of the ‘big three’ legacy carriers in the US, with some of the largest fleets in the world. There is no doubt that the US-Europe market is lucrative in commercial aviation, and the airlines offer stiff competition on their transatlantic routes. Both Delta Air Lines andUnited Airlines have extensive route networks to Europe, but which carrier wins on transatlantic routes?