FlyerTalk Forums - View Single Post - Newbie-style question: What is meant by departure time?
Old Dec 16, 2011 | 6:56 am
  #7  
slawecki
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Join Date: Dec 2000
Location: south of WAS DC
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for years at iad, departure time was when the door closed on the mobile service device(moon buggy).

i think a number of european airports use the time at which the ground service vehicle leaves the gate.
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