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Hello There,

We have old people with us and would like to arrive earlier to check in and security clearance. Our flight is domestic flight from JFK to Washington DC.

Please advice if there is any limitation on time ( earliest ) when we can clear the security. I understand the minimum adviced time for a domestic flight is 2 hours.. but I want to know earliest time ( say 5-6 hours ) before scheduled departure when the checkin is allowed.

Thanks