Personal consumption expenditures: Services: Household consumption expenditures: Transportation services: Public transportation: Air transportation (DAITRC1A027NBEA)

U.S. Bureau of Economic Analysis, Personal consumption expenditures: Services: Household consumption expenditures: Transportation services: Public transportation: Air transportation [DAITRC1A027NBEA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DAITRC1A027NBEA, September 25, 2022.