Being a frequent transatlantic passenger to New York from UK I have many experiences of customs and immigration in USA. I have done both scenarios several times. Because of my origin location, flight time is roughly the same:
What I find quicker by an average of an hour is the lack of queue at Dublin for pre clearance checks. Time I would be using in Amsterdam or Heathrow to browse the selection of shops and restaurants before my connection is now spent pre clearing immigration in Dublin.
I haven’t done pre-clearance in Dublin — but I have done it in Toronto. It seemed to go faster than immigration in New York or Atlanta, based on my (limited) experience.
But I’d still caution against it: If you hit a delay at a transfer point, causing you to miss a flight, it can be frustrating and/or expensive. And adding an unknown such as 2 immigration checks (Ireland from the Czech Republic, and then USA from Ireland) will have the potential to mess up your trip — unless you budget so much time for it that you really won’t save any time at all: You’ll just end up spending that time for certain in the Dublin Airport, rather than potentially in line at JFK.
Credit:stackoverflow.com‘
5 Mar, 2024
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4 Mar, 2024