FlyerTalk Forums - View Single Post - Technically what does "Checking In" really do?
Old Sep 27, 2018 | 5:02 pm
  #24  
Antarius
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Originally Posted by C17PSGR
To a certain extent, it seems outdated and with a purpose that has passed. Delta automatically checks people in ...
I think this is it. It also serves as a reminder for people the day before the flight to ensure that everything is good relating to their travel plans.
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