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Letter to Virgin

Letter to United

Letter to Sun Country

Letter to Spirit

Letter to Southwest

Letter to JetBlue 

Letter to Hawaiian Air

Letter to Frontier

Letter to Delta

Letter to Boeing

Letter to American Airlines

Letter to Allegiant

Letter to Alaska Air

Letter to Airbus

Responses to Senator Markey Letter

Seven airlines responded to Senator Markey’s letter, and five did not. The five airlines (Alaska Air, American Airlines, Hawaiian Air, JetBlue, and United) that did not respond were represented in a collective letter from their trade organization, Airlines for America (A4A).

Letter from Airlines for America 

Letter from Virgin

Letter from Sun Country

Letter from Spirit

Letter from Southwest

Letter from Frontier

Letter from Delta

Letter from Boeing

Letter from Allegiant

Letter from Air Bus