FlyerTalk Forums - View Single Post - Better chances of getting upgraded to Delta One from the Main Cabin than Comfort?
Old Mar 5, 2018 | 8:16 pm
  #5  
tentseller
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I have had a few D1 op-up from upgraded C+ flying TPAC. I also had them when I am in Y after refusing the middle seat.
I think yours and my experiences as the sample size are too small to draw the conclusion to maximize D1 op-ups.

I prefer looking for flights with a high probability of Y oversold scenarios.
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