FlyerTalk Forums - View Single Post - Near term. Miles or ETC's better to purchase flights?
Old May 22, 2020, 2:39 pm
  #6  
Long Zhiren
 
Join Date: Feb 2008
Posts: 734
Originally Posted by SFO_LOW_CLOUDS
My singular focus in life is lifetime miles. So ETCs for me. Points for friends and family.
Translation: ETCs can only be used on 100% UA metal itineraries. RDMs are more flexible. If you need to do international itineraries, ETCs may limit you to just a few overpriced itineraries, which means their value is a bit diminished.

Do lifetime miles mean much after any M increment?
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