Virgin Atlantic operates out of Terminal 3, and the great news is that as of September 14, 2016, all Delta flights will operate out of Terminal 3 at London Heathrow.Click to see full answer. Similarly, what terminal is Delta at Heathrow Airport? Terminal 3 what airlines fly from Terminal 2 Heathrow? The airlines currently based at Terminal 2 are: Aegean Airlines. Aer Lingus. Air Canada. Air China. Aer Lingus. Air India. Air New Zealand. ANA. Keeping this in view, which terminal does Delta fly out of? Most Delta Air Lines flights arrive at Terminal S – Domestic (South), although Terminal I – International is also used.Which airlines fly out of Heathrow Terminal 3?Terminal 3 is used by the majority of the members of the Oneworld airline alliance: American Airlines, Cathay Pacific, Finnair, Japan Airlines, LATAM, Qantas, Royal Jordanian, and SriLankan Airlines. British Airways, which also uses Terminal 5, also offers some flights from this terminal.