Air travelers top 1.5 million for first time in over a year
FILE - In this Friday, March 19, 2021 file photo, an airliner lands at Tampa International Airport in Tampa, Fla. On Sunday, March 21, more than 1.5 million people streamed through U.S. airport security checkpoints, the largest number since the pandemic tightened its grip on the United States more than a year ago. However, passenger traffic remains far below 2019 levels. (AP Photo/Gene J. Puskar)

FILE - In this Friday, March 19, 2021 file photo, an airliner lands at Tampa International Airport in Tampa, Fla. On Sunday, March 21, more than 1.5 million people streamed through U.S. airport security checkpoints, the largest number since the pandemic tightened its grip on the United States more than a year ago. However, passenger traffic remains far below 2019 levels. (AP Photo/Gene J. Puskar)

Mar. 22, 2021 01:17 PM EDT
FILE - In this Wednesday, March 17, 2021 file photo, travelers walk through the Salt Lake City International Airport in Salt Lake City. On Sunday, March 21, more than 1.5 million people streamed through U.S. airport security checkpoints, the largest number since the pandemic tightened its grip on the United States more than a year ago. However, passenger traffic remains far below 2019 levels. (AP Photo/Rick Bowmer)

FILE - In this Wednesday, March 17, 2021 file photo, travelers walk through the Salt Lake City International Airport in Salt Lake City. On Sunday, March 21, more than 1.5 million people streamed through U.S. airport security checkpoints, the largest number since the pandemic tightened its grip on the United States more than a year ago. However, passenger traffic remains far below 2019 levels. (AP Photo/Rick Bowmer)

Mar. 22, 2021 01:17 PM EDT