In 2024, Pittsburgh International Airport (PIT) enjoyed a significant boost in passengers over the 2023 level, owing largely to Frontier Airlines and an ongoing recovery from the COVID decline of 2020. However, through July 2025, airport reports show the passenger count is down 70,120 (-1.2 percent) from the same seven-month total in 2024.
At the same time, Transportation Security Administration’s (TSA) national checkpoint passenger data show a slightly smaller decline (-0.4 percent) for the first seven months in 2025 compared to 2024. Checkpoint data does not count connecting passengers, making it a useful comparison to PIT since it no longer has significant numbers of connecting flyers.