Denny Kelly, Kelly James and Associates, cites vast distances as one issue contributing to the tracking of airplanes. CNBC's Phil LeBeau provides perspective.
Nyshka Chandran, NBC: News Travel
Tue, 12/30/2014 - 8:47am
Denny Kelly, Kelly James and Associates, cites vast distances as one issue contributing to the tracking of airplanes. CNBC's Phil LeBeau provides perspective.