Shares of U.S. airlines and other travel-related companies fell on December 27 as rising Omicron cases and weather-related problems forced the cancellation of hundreds more flights, leaving travelers stranded across the country during the holidays.

U.S. airlines canceled hundreds of flights on Christmas Eve amid a surge in COVID-19 infections driven by the Omicron variant, but millions of wary Americans carried on with travel plans through a second pandemic-clouded winter holiday.

The U.S. Centers for Disease Control and Prevention (CDC) said on May 7 that U.S.-bound international air travelers can meet Covid-19 entry requirements using certain self-administered tests.

U.S. President Joe Biden on May 3 imposed new travel restrictions on India in light of the Covid-19 epidemic, barring most non-U.S. citizens from entering the United States.

The U.S. Centers for Disease Control and Prevention on April 2 said fully vaccinated people can safely travel at “low risk” after the agency had held off for weeks on revising guidance that discouraged all non-essential trips.

The Transportation Security Administration (TSA) screened 500 million fewer people at U.S. airport checkpoints in 2020, down 61% versus 2019, as air travel slowed sharply during the coronavirus pandemic.

The U.S. Food and Drug Administration’s Vaccines and Related Biological Products Advisory Committee voted 17-4 to recommend Pfizer and BioNTech’s Covid-19 vaccine for Emergency Use Authorization (EUA) for individuals ages 16 years and older.

Airlines battered by Covid-19 are prepping for key roles in the mass vaccine rollout that promises to unlock an immediate boost for the sector – and beyond that, its own recovery and survival.

Aviation industry opposition to requiring mandatory Covid-19 vaccination for passengers intensified as impending drug approvals trigger a debate over their role in air travel.

After a Thanksgiving weekend when the number of people traveling through U.S. airports reached the highest total since mid-March, a top government official said some Americans could begin receiving coronavirus vaccinations before Christmas.