Delta Air Lines will stop blocking middle seats in first half of 2021
Delta CEO promises empty middle seats after September but not forever
Delta temporarily opens middle seats in response to flight
Which U.S. Airlines Are Blocking Middle Seats During COVID-19
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Delta extends middle seat policy
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Delta Extends Seat Blocking Policy To March 2021 - One Mile at a Time
Delta cancels over 100 flights, opens some middle seats
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