 News Radio 1310 KNOX AM, Grand Forks. 1079 and 103.3 KNOX FM. Translated on K239. ABC News. I'm Dave Packer. Airports jam-packed at the start of the Independence Day holiday travel. Friday, June 28th, the fourth busiest day ever for the TSA. 2.93 million people screened at airports. 60 million Americans expected to take their vacation by car. ABC's Alex Perez. The wild card for travel, both in the air and on the road, is the weather.