Spirit Airlines will add Seattle-Tacoma International Airport to its route network next spring, the carrier announcing it will launch service from two existing destinations to the largest metropolitan area in the Pacific Northwest.

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Orlando will be Southwest Airlines’ third Florida destination from Washington Reagan National Airport, where Southwest says it is now the second-largest carrier in terms of passengers carried.

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Southwest Airlines is planning to launch international service from Houston Hobby Airport to eight cities in Mexico, Central America and the Caribbean this fall.

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Assuming it receives the required governmental approvals, Alaska Airlines will operate four weekly round-trips from Los Angeles to Costa Rica’s capital San Jose and also four round-trips to Liberia in Guanacaste province.

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Southwest Airlines has announced new routes to eight additional cities from Dallas Love Field as part of a service expansion that will see it add 16 more flights a day from the airport on August 9.

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In a new extension of its flight schedule to August 7, Southwest Airlines has added seven new year-round U.S. domestic routes, along with 18 additional domestic seasonal and two international services for summer 2015.

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Using the first three of seven Embraer 175 jets ordered on November 25, SkyWest Airlines will begin offering daily non-stop service for the Alaska Airlines network on July 1 between Seattle and Milwaukee; Seattle and Oklahoma City; and Portland in Oregon and St. Louis.

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Two regional airlines operating Delta Connection flights for Delta Air Lines will launch daily non-stop service next spring from Seattle-Tacoma International Airport to five new destinations as part of the continued expansion of Delta’s West Coast hub.

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Alaska Airlines will launch daily seasonal service between Seattle and Cancún on November 6, pending approval by Mexico’s Direccion General de Aeronautica Civil.

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Now both Delta and strategic partner Virgin Atlantic Airways operate to and from the same terminals at both ends of the London Heathrow-New York JFK route, which is the world’s most important international business-travel market, according to Delta.

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In its new schedule extension through June 2014, Southwest Airlines is adding new routes from Portland in Oregon and San Diego, and is increasing its services in existing markets from New York LaGuardia.

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Alaska Airlines will begin daily non-stop service in June linking Salt Lake City with Portland in Oregon, and with the California cities of Los Angeles, San Diego and San Jose. It will also add a third daily non-stop flight to its existing service between Salt Lake City and Seattle.

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Delta’s new service to SEA from San Francisco and increased service from Los Angeles will be operated by Delta Connection carrier Compass Airlines, with the exception of one daily mainline flight from Los Angeles. Delta’s increased Las Vegas-Seattle service will be operated by Delta Connection carrier SkyWest Airlines.

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Subject to government approval, Delta Air Lines plans to launch new daily non-stop services from Seattle-Tacoma International Airport to Seoul’s Incheon International Airport and Hong Kong International Airport on June 2 and June 16, 2014, respectively.

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Through its regional-airline partners Horizon Air and SkyWest Airlines, Alaska Airlines is adding six routes to its network in November and December. Two of them are routes it has served before and another is a new winter-season route to a ski destination.

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Alaska Airlines will begin new service between Portland in Oregon and Atlanta on August 26 and between Portland and Dallas/Fort Worth on September 16. The Portland-Atlanta flight will replace one of Alaska Airlines’ two daily scheduled Seattle-Atlanta flights.

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Delta Air Lines is increasing its schedule at Los Angeles International Airport, by offering daily additional year-round and seasonal service to 14 destinations, including eight new markets. The additional service will give Delta Air Lines 12 per cent more daily seats from LAX.

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Delta Air Lines is adding new elements to its U.S. transcontinental service, offering customers traveling between New York JFK and Los Angeles, San Francisco and Seattle more in-flight dining and entertainment options.

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Atlanta-based Delta Air Lines will begin the new Seattle-Tokyo Haneda service on June 1.

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