By Sheila Ash Many people will take to the skies this week to visit relatives and friends for Thanksgiving.Trish Burke at Louisville International Airport says holiday fliers can make their trip less complicated by planning ahead. "Check-in on-line if you can and print your boarding pass. Packing light is also very important. The less you have to haul through the airport and check the easier it’ll be for everyone," she said. Burke says travelers should arrive at the airport one to two hours before their flight’s departure. One security measure travelers won’t encounter here is the new full body scan. The machine has not yet been installed at Louisville International.