"The snow birds are coming.  Soon they'll be flocking in from all over.  Thousands of them.  From the North.  South.  East. West. And Midwest.  Most of them on United's Ski Lift to the Rockies.  Because no other airline serves Colorado ski country - and skiers - the way United does.      We think of all the little things.  Like packing ski poles in sturdy you-keep-em containers.  Daily weather reports from major ski areas.  Complete reservation services for air and ground transportation.  Lodging, Rental cars with snow tires and ski racks.      So, if you have friends or relatives who are thinking of a ski vacation, tell them about United's great Ski-Lift to Colorado.  For information, call United or see your Travel Agent."