Delta Air Lines To Operate With Virgin Atlantic At Terminal 3 At Heathrow (LHR)

Effective as of Wednesday, September 14, 2016, Delta Air Lines will operate exclusively with Virgin Atlantic Airways from Terminal 3 at Heathrow Airport .
Deciphering Delta | International DeltaOne Upgrades

Are mileage upgrades worth it? Being a Delta SkyMiles Medallion is kind of like playing a twisted game of Whac-A-Mole.