Delta Air Lines again extends policy of blocking middle seats The Citizen 5 years ago Delta began blocking middle seats on April 13, 2020, in an attempt to prevent the transmission of Covid-19 on its flights. Source: The Business Journal Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Delta will continue blocking middle seats into spring 2021DateNovember 18, 2020In relation toPolvaderaDelta to continue blocking middle seats until 2021DateAugust 21, 2020In relation toDALDelta reiterates middle-seat policy after criticism from UnitedDateJuly 2, 2020In relation toPolvadera