[[[TODAY~CHEAP]]]What is the Cheapest Day to Book a Flight on Delta Airlines?

  [[[TODAY~CHEAP]]]What is the Cheapest Day to Book a Flight on Delta Airlines?   [[[TODAY~CHEAP]]]What is the Cheapest Day to Book a Flight on Delta Airlines?   Website URL: https://support.google.com/phoneapp/thread/332858787?authuser=1&hl=en&sjid=2683418042201906995-NC