Domestic travel is not a real issue, since TSA does not check criminal records on those traveling on domestic flights. I am afraid, however, that travel internationally is another story, since all parties entering the country are run through the Department of Homeland Security computers and those will show any outstanding warrants which means you would be at least detained, if not arrested upon entry to the US. I say "at least detained" because they would hold you to verify the court will extradite you on the warrant and if they will, then you would be arrested and held for extradition.
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