Virgin Atlantic and Delta Air Lines to strengthen their US-UK network with a new London Heathrow-Portland, Oregon service as well as boosting frequency on other routes.
Delta Air Lines will fly four-times weekly to the west coast city from Heathrow, starting 26 May 2017.
The airline will also add a second Detroit to Heathrow service from 26 March 2017, replacing Virgin's daily flight.
As well as adding a third Atlanta-Heathrow frequency, taking over the second daily service currently operated by Virgin Atlantic, beginning 25 May 2017. Virgin Atlantic will continue to operate one daily Atlanta to London Heathrow service.
From 26 March 2017, Virgin will start flying between Seattle and Heathrow, replacing the daily service operated by Delta.
A daily non-stop service between New York-JFK and Manchester will commence 25 May 2017 replacing the service currently operated by Delta. Delta will resume service for the winter 2017.