British Airways from T5.
Lufthansa from T1.
Terminal 3
You will land at TERMINAL 4.
T4.
Delta fly in and out of Terminal 4 at London Heathrow. See related link for more information.
Delta lands at Heathrow T4.
Delta uses Heathrow terminal T4.
Yes, there are three stations: Heathrow Terminal's 1,2 &3; Heathrow Terminal 4 and Heathrow Terminal 5. They are all situated on the Piccadilly Line.
Heathrow Terminal 5 is on M 25 motorway.
Terminal 5.
About 20 minutes.
There are about 30 miles from Whitechapel to Heathrow terminal 3.
United Airlines uses Terminal 1 at Heathrow airport.