Delta and Virgin have strengthened their US-UK network with a new London-Portland, Oregon service as well as boosting frequency on other routes.
Delta will fly four-times weekly to the west coast city from Heathrow, starting May 26 2017.
The airline will also add a second Detroit to Heathrow service from March 26 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 May 25, 2017. Virgin Atlantic will continue to operate one daily Atlanta to London Heathrow service.
From March 26 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 May 25, 2017 replacing the service currently operated by Delta. Delta will resume service for the winter 2017.