FlyerTalk Forums - View Single Post - Changing passport number after on-line check in
Old Mar 22, 2015 | 11:25 am
  #9  
Calchas
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Originally Posted by johan rebel
I wonder if it really matters?

I know of several instances where a pax checking in online did not have the passport details to hand, and solved the problem by filling in a random passport number and expiry date. This did not cause any problems whatsoever at the gate or anywhere else.

Johan
For a USA-bound flight the passport number needs to match an ESTA record (or have a valid visa in the passport).
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