title: What does the landing time mean in airflow?
body: <p>There is a section called "landing time" in the DAG view on the web console of airflow.</p>
  
  <p>An example screen shot taken from airbnb's blog:</p>
  
  <p><a href="https://i.stack.imgur.com/BCcqp.png" rel="noreferrer"><img src="https://i.stack.imgur.com/BCcqp.png" alt=""></a></p>
  
  <p>But what does it mean? There is no definition in the documents or in their repository.</p>