FlyerTalk Forums - View Single Post - Wrong Nexus number, can't change...
View Single Post
Old Jun 19, 2019, 6:44 pm
  #4  
Error 601
 
Join Date: Jan 2007
Programs: No single airline or hotel chain is of much use to me anymore.
Posts: 3,278
Originally Posted by aerobod
I'm not sure what flags or checks incorrectly entered information cause at immigration.
On Delta at least it prevented me from checking-in online, otherwise nothing obvious.
Error 601 is offline