On November 18, 2014, United Airlines announced it would suspend service to Washington D.C. from January 6, 2015, to April 6, 2015, citing seasonal demand. On May 4, 2015 Delta Air Lines started service to Seattle–Tacoma with the flights operated by SkyWest Airlines. On December 3, 2014, United Express ended service to Arcata/Eureka and Crescent City. On February 9, 2015, SeaPort Airlines began service to Visalia. On June 18, 2015 JetBlue Airways started seasonal service to Boston. On April 8, 2015 Southwest Airlines started service to Dallas–Love. They also announced (later in the year) service to Boise beginning January 6, 2016. On March 26, 2015, Aeroméxico started service to Mexico City on April 6, 2015. In the month of May, American Airlines added a fifth flight to Dallas Fort-Worth.