In U.S. airline route news, US Airways will add a second route to London Heathrow; two new routes to New York City will open up from the southwest; and Alaska Airlines plans a new transcontinental route.

• US Airways said it has obtained new slots at London’s congested Heathrow Airport that will enable it to begin new daily non-stop service from its Charlotte hub starting next March. The company said it will use a two-class A330 on the Charlotte-LHR route, which will originate in Miami. US Airways already offers daily service between London Heathrow and its Philadelphia hub.

• Two airlines have announced new service to New York City from the Southwest beginning next spring. JetBlue Airways said it will launch the only non-stops between New York and Albuquerque starting April 22, with daily service from its JFK hub. And Southwest Airlines will introduce new non-stop flights to New York LaGuardia from Houston Hobby.

• On March 29, Alaska Airlines plans to inaugurate a new transcontinental route, offering daily non-stop service between San Diego and Boston. Alaska also announced that its growing operation out of San Diego will include new daily flights to Kauai, Hawaii, starting June 7.