Nope, no free or paid wireless in the parks. Southwest offers EBCI (early bird check in) for 10$ per ticket that will assign you a spot based on when EBCI was purchased for your ticket. You can then check in anytime before your flight and get your boarding pass. Basically it means you wont need to be infront of a computer at T-24 and still receive a good boarding pass. Most likely in the low "A's".