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Expand chart
Data: TSA; Chart: Axios Visuals

The Transportation Security Administration screened 2,451,300 people at airports across the U.S. on Sunday, making it the busiest day for air travel since the beginning of the pandemic.

Driving the news: Nearly 20.9 million passengers passed through TSA checkpoints from Nov. 19 through Nov. 28, more than double the number of air travelers screened during the same period last year, TSA said.

  • The agency had previously said it expected to screen about 20 million air travelers during the Thanksgiving holiday period.

Flashback: The busiest air travel day in TSA history was on the Sunday after Thanksgiving in 2019, when nearly 2.9 million people were screened.

Go deeper

Updated 5 hours ago - Politics & Policy

Omicron dashboard

Illustration: Aïda Amer/Axios

  1. Health: Fauci: "Confident" Omicron cases will peak in February — FDA OKs antiviral drug remdesivir for non-hospitalized patients — Walensky: CDC language "pivoting" on "fully vaccinated."
  2. Vaccines: The shifting definition of fully vaccinated — Annual vaccine preferable to boosters, says Pfizer CEO — Team USA 100% vaccinated ahead of Beijing Olympics.
  3. Politics: Virginia school boards sue Gov. Youngkin for lifting mask mandate — Gonzaga University revokes NBA great John Stockton's tickets over mask stance — Arizona governor sues Biden administration over funds tied to mandates.
  4. World: Beijing Olympic Committee lowers testing threshold ahead of Games — Beijing officials urge "emergency mode" before Winter Olympics — Austria approves vaccine mandate for adults.
  5. Variant tracker
1 hour ago - World

Pentagon: 8,500 troops on high alert for possible deployment to eastern Europe

Photo: Anna Moneymaker/Getty Images

Defense Secretary Lloyd Austin has placed 8,500 U.S. troops on "heightened preparedness to deploy" to eastern Europe in case NATO activates its rapid-response force over tensions with Russia, the Pentagon announced Monday.

Why it matters: No decisions have been made to actually deploy U.S. forces, but the heightened alert level will allow the military to rapidly shore up NATO's eastern flank in the event that Russia invades Ukraine. The Pentagon warned that Russia has shown "no signs of de-escalating," and continues to amass troops on Ukraine's borders.

Updated 2 hours ago - Economy & Business

S&P 500 on track for worst-ever start to year

Data: FactSet; Chart: Axios Visuals

Stocks suffered their steepest drop of the year early Monday, putting the S&P 500 on course for its worst-ever start to a year.

Driving the news: The benchmark S&P 500 dropped for its fifth straight day, with losses nearing 3% in early trading, momentarily putting it on track to fall into a "correction." Some of the steepest losses were recovered in early afternoon trading.