Private, for-pay security lines return to some U.S. airports. Dec. 7, 2010— -- As the controversy continues over airport security scanners and pat-downs, the Transportation Security ...

Appointments are available from 4 a.m. to 3 p.m. daily in Terminal 3. In Terminal 4, they are available from 5:30 a.m. to 3 p.m. at Checkpoint D only.