In March, 4,523,220 people got on and off planes at Phoenix Sky Harbor International Airport. The overwhelming majority — almost 3.5 million — flew American and Southwest Airlines.
Last month’s passenger count is nearly 145,000 more than March, 2018, which is 3.3 percent higher.
Major League Baseball’s spring training games attract many visitors and spring break travelers also contribute to March being the airport’s busiest month.
A new concourse with eight gates is expected to open at Terminal 4 in 2022. That same year, the PHX Sky Train extension should be finished and will connect passengers to the Rental Car Center.
March Highlights
Terminal 2 — 1.9 percent increase
2019 passengers: 411,531
2018 passengers: 403,812
Terminal 3 — 15.3 increase
2019 passengers: 489,839
2018 passengers: 424,730
Terminal 4 — 2.0 percent increase
2019 passengers: 3,621,850
2018 passengers; 3,550,806
Total March passengers — 3.3 percent increase
2019: 4,523,220
2018: 4,379,348