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Delta is ending a route out of Philadelphia that it launched months ago

Delta, the third largest carrier at Philadelphia International Airport, is also adding a daily route to Los Angeles.

The arrival and departures board at Philadelphia International Airport. Delta is terminating service between PHL and Seattle.
The arrival and departures board at Philadelphia International Airport. Delta is terminating service between PHL and Seattle.Read moreAlejandro A. Alvarez / Staff Photographer

Delta Air Lines is cutting a route out of Philadelphia International Airport just months after launching it.

The daily flight between Philadelphia and Seattle, which began operating in May, will stop flying at the end of November and will not be offered again in 2027.

The airline made the decision “based on customer demand,” a Delta spokesperson said via email this week.

American Airlines and Alaska Airlines also offer nonstop flights between PHL and Seattle-Tacoma International Airport.

Delta last year carried nearly 1.9 million passengers through PHL, the airport’s third-largest airline by passenger volume.

American Airlines, the largest, carried over 20 million passengers through the airport that year — roughly 70% of total passengers.

» READ MORE: PHL ranked last among peer airports for the sixth straight year in a JD Power customer survey

While Delta is terminating service between PHL and Seattle, the airline plans to launch a new daily route between Philadelphia and Los Angeles next June. The airline already offers flights connecting Philadelphia to Atlanta, Boston, Detroit, Minneapolis, and Salt Lake City.

The airline recently modernized its PHL lounge with new furniture, carpets, and updated restrooms, as well as a larger buffet area. It’s one of many traveler lounges at the airport.

Delta has over 700 employees based in Pennsylvania, many of which are based out of Philadelphia.