Air travel plummeted during the pandemic. Experts say that travel trends will change as more people get vaccinated and begin traveling again. Over 1 million passengers have traveled daily since mid-March, according to Transportation Security Administration checkpoint numbers. Mother’s Day weekend saw the largest number of travelers since early March 2020. The total of passengers nationwide so far this year moving through TSA checkpoints is just over 40% of all traffic last year. Virginia air travel is already picking up, according to several airports throughout the state. Robert Yingling, spokesman for the Metropolitan Washington Airports Authority, said numbers are low...