A plane from Las Vegas to London hit a top speed of 814 mph and another passenger plane from New ... So, while the planes traveled above the speed of sound relative to the ground, they were ...

Today, 11 airlines around the world fly two-level passenger planes. To stay competitive, several carriers are even investing in them with updated seats and refreshed onboard amenities. Double ...

The airspace above the airport is typically filled with both passenger planes and military aircraft on security patrols above nearby federal sites, including the White House and the Pentagon.