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Thread: What is DELAY ZY ?
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Old Aug 29, 2016 | 8:22 am
  #14  
erifax
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Originally Posted by BA0197
It most likely stems from the fact that the SFO-LHR flight had a strong tailwind, and, if it were to depart 'on-time' it would not have a slot to land at. Therefore, the code is used to tactically delay flights to adhere to the published landing slot.
This seems highly plausible, thanks!

Originally Posted by Oxon Flyer
Just for the curious, where is this sourced from ?
Originally Posted by Tobias-UK
It looks like ExpertFlyer:
Indeed! It is ExpertFlyer.
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