More than 1.2 million passengers crossed TSA checkpoints Sunday, the most since spring. Air travel has risen in recent weeks to levels last seen before the pandemic, as the holiday season spurred people to brave airports and airplanes to be with families in defiance of government recommendations during a worsening pandemic. More than 3.5 million people traveled through security checkpoints from Saturday to Monday, according … Continue reading The holidays brought air travel to its highest levels since March. It’s still way down.