FlyerTalk Forums - View Single Post - Flying AF Metal on a Delta flight number: Are miles rev based, or mileage based?
Old Mar 1, 2019, 11:11 am
  #3  
Xandrios
Moderator: Aegean Miles+Bonus
 
Join Date: Oct 2009
Location: AMS / ATH
Programs: AFKL Plat, A3 Gold
Posts: 7,338
You should look at the flight number. For example:

Delta operated with KL flight number = fare price based
KLM operated with DL flight number = distance based
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