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Thread: ARCHIVE: A321T / 321T Transcon JFK <--> LAX / SFO Upgrade Success / Help
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Old Apr 21, 2014 | 4:58 pm
  #23  
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Originally Posted by TechMarauder
What is the 4 hour sweep? Is that for every AA flight?
not sure if it is the same thing but have noticed a few times (never on transcon, mostly flts via DFW/ORD/MIA/LAX) that just before the 4hr window i will somehow clear the upgrade--since at 4hrs the upgrade list appears on the app.

could be total coincidence though.
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