The minute you check-in & have your confirm airline ticket in hand, you have the privilege of going through TSA
As long as you want, tsa didn't care but the airlines usually don't open check on more than 3 hours bfr flight
I believe you can go anytime before your flight.
Soon
You need a valid boarding pass to go in
As early as you want
As early as you wish. As ling as you have a ticket, they will allow you through.
2 or 3 hrs
Ad soon as you want.
3 hours before
As long as you have boarding pass and id. Ended up going back early getting lunch and worked out great.
No set time as far as I am aware of
3hours before the flight
It can take longer when traveling during busy times. Standard is 2hrs for domestic and 3hr before international
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