Aviation regulators will order tougher inspections of hundreds of Boeing 757 planes worldwide, after a recent in-flight incident that left a hole in the fuselage of an American Airlines plane.
A Chinese airport temporarily closed on Tuesday amid fears that one of the passenger planes could collide with an unidentified flying object that was seen in the area.
In November, Delta added two domestic MSP-ATL 747 flights on Thanksgiving weekend. Spotters took notice, and several booked a rare domestic date with the Queen.