Do you have the ticket? Then check in at the counter 1 hour before the flight. Since it's, technically, an international flight you want to give yourself some time.

>Okay, I am flying out to Orlando for Double Impact on Tuesday at midnight. Who do I confirm the airline ticket with? Airport, airline? Can I do this over the web? Am I confirming my ticket or reservation or am I just confirming that that flight number is still flying?
>
>This has always stumped me.