Flight delays happen for many reasons. Airlines can impose delays on themselves, or when weather hits, delays are put into place by air traffic control.
The U.S. Department of Transportation on Wednesday gave final approval to Hawaiian Airlines' application to offer nonstop daily service between Tokyo's Haneda Airport and Honolulu International Airport.
Diane Sawyer gets an unprecedented look inside the E-4B Nightwatch, aka the Doomsday Plane, the 747 built to keep the nation's command and control structure operational from the air if ground bases are rendered useless by a nuc...