The bulk of TSA PreCheck passengers spent less than five minutes at security checkpoints.

Ahead of the busy Fourth of July weekend, more than 400 Delta Air Lines employees picketed at Hartsfield-Jackson Atlanta International Airport against what they call poor working conditions. 

In China, for example, not only are masks required on planes but gloves are recommended — and passengers are urged not to touch their face during the flight. Here's what you'll find around the globe.

Sure, you don't have to wear a mask on airplanes, buses and ride shares anymore, but you still might want to depending on the circumstances. Here's what experts say about the risks.

A flight attendant reportedly used a coffeepot to subdue the man, while passengers restrained him. The American Airlines flight from Los Angeles made a quick turn to land in Kansas City, Mo.

The Federal Aviation Administration says it will share information of passengers who are being fined for unruly behavior with the Transportation Security Administration.

The requirements set by the Biden administration take effect Nov. 8 and cover approved vaccines, exceptions for the unvaccinated and protocols after arrival.

Here are questions to ask yourself — and databases to check — before making the decision to take off as the highly contagious coronavirus variant continues spreading.

Boom Supersonic's Overture is designed to travel twice as fast as current airliners and complete transcontinental flights in roughly half the time. Passenger flights are expected to begin in 2029.

Some parts of public life in the U.S. still operate according to restrictive rules, and that includes planes, trains and buses.

The pandemic is under such control in the two countries that people will be able to travel between them for the first time without quarantining since March 2020.

Guidance released Friday allows fully vaccinated people to travel domestically without getting tested or self-quarantining, but advises them to keep practicing mitigation measures to protect others.

Many colleges and universities are cancelling or shortening the annual week off that's usually a rite of spring, but good vaccination news has people booking vacations over the summer months.

Luis Gallego, the CEO of International Airlines Group, wants "common testing standards and the introduction of digital health passes."

Our correspondent took a flight Sunday and saw a number of concerning things in airports and on planes. So many questions were raised. We went in search of answers.