FlyerTalk Forums - View Single Post - BA only allows one passport in your profile--why?
Thread: BA only allows one passport in your profile--why?
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Old Jun 25, 2017 | 8:46 pm
  #8  
reclusive46
10 Countries Visited20 Countries Visited30 Countries Visited10 Years on Site
 
Join Date: Jul 2012
Location: Canada
Programs: BA Gold (OWE), Star Alliance Gold, Hilton Diamond
Posts: 2,194
Originally Posted by FlyingScientist

How would I currently travel e.g. between the US and Canada if ETA for Canada is registered on a passport other than the one I entered the US with? How will the US authorities know that I left and the Canadian authorities know that I will be coming (and the airline see that I am authorised to do so)?
You can enter/exit the US on different passports, they match the exits and entries by NAME/DOB/entry biometrics etc. not by the passport number. The correct record even shows up online.
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