Delta Air Lines will offer new daily nonstop service to Seattle-Tacoma International Airport from San Francisco International Airport as well as increased service from Las Vegas’ McCarran International Airport and Los Angeles International Airport, beginning next year.

The new service is designed to provide customers access to the airline’s growing trans-Atlantic and trans-Pacific network from its global gateway in Seattle.

“San Francisco, Las Vegas and Los Angeles are the three largest West Coast-to-Asia markets in the United States,” said Mike Medeiros, Delta’s vice president – Seattle. “Their addition into this local market will bolster domestic service as well as continue to help support our growing international portfolio in Seattle.”

Seattle is one of Delta’s fastest-growing international gateways. The airline currently operates nonstop service to six international markets including Amsterdam, Beijing, Osaka, Paris, Shanghai-Pudong and Tokyo, and recently announced additional service in 2014 to London-Heathrow, Hong Kong and Seoul, pending government approval. The new and additional flights will allow for convenient connections to all of Seattle’s international Delta flights.

As of Jan. 1, 2014, every international Delta flight from Seattle will feature full flat-bed seats in BusinessElite, Economy Comfort seating and entertainment on demand in every seat throughout the aircraft.

Delta’s service from San Francisco and Los Angeles will be operated by Delta Connection carrier Compass Airlines using two-class Embraer E-175s, with the exception of one daily mainline flight from Los Angeles. Additionally, Delta’s Las Vegas-Seattle service will be operated by Delta Connection carrier SkyWest Airlines using two-class Canadair CRJ-700s and CRJ-900s. Each aircraft is equipped with First Class and Economy Comfort seating as well as onboard Wi-Fi.

In Seattle, Delta has expanded its service to 38 peak-day departures to 16 destinations, including seven international destinations. The airline has also invested $14 million in its facilities at Sea-Tac, including its recently completed lobby renovations, new Delta Sky Club, Sky Priority services, new gate area power recharging stations and expanded ticket counters.