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This week’s Singapore Airlines (SIA) flight SQ27 from Seattle to Singapore is the longest nonstop flight from Sea-Tac Airport.

The flight departed Seattle-Tacoma International Airport on September 3 at 11:13 a.m. and is slated for a 5:45 p.m. arrival in Singapore on September 4. Flight time is scheduled at nearly 16 hours, making it the longest flight operating from Sea-Tac.

Seattle is the fourth U.S. destination after Los Angeles, New York (Newark), and San Francisco to be served non-stop from Singapore. The Seattle flights will initially be operated three times weekly before increasing to four times weekly in October 2019, bringing the total number of weekly non-stop U.S.-Singapore services to 31. When combined with SIA’s existing one-stop flights to Houston, Los Angeles, New York (JFK), and San Francisco, total US service frequency will increase to 57 per week.

SIA’s new Seattle services will provide customers faster and more convenient connectivity to key markets including Southeast Asia, India, and Australia. Singapore Airlines is a codeshare partner of Alaska Airlines, and Mileage Plan members are eligible to earn miles on Singapore Airlines flights.

Airbus A350-900 aircraft fitted with 42 Business Class, 24 Premium Economy Class and 187 Economy Class seats are used on the route. The A350-900 features higher ceilings, larger windows, an extra wide body, and cabin lighting designed to reduce jetlag.

The Seattle services are the latest among SIA’s U.S. non-stop flights to offer wellness initiatives from Canyon Ranch. These include sleep strategies and guided stretching exercises accessible via the KrisWorld in-flight entertainment system, as well as special cuisines developed by Canyon Ranch’s chefs and nutritionists.

Customers using the KrisWorld IFE system on board most SIA flights in the month of September will enjoy a special mix of movies, music and TV shows which reference Seattle.

For more information on Singapore Air, visit For more information on its new routes, click here and here.