What is the most convenient way to get from Madrid airport to Civic Square?

The airport express connects the city center with Ba Laha Airport. This line runs 24 hours a year and takes about 40 minutes. During the day/kloc-every 0/5 minutes and every 35 minutes at night. The fare is 2 euros, and tickets are purchased on the bus. Three stops: the intersection of Antonel Street and Doctor Eskel Street, Cibeles Square and Estación de Atocha Railway Station. The airport area stops at T 1, T2 and T4 terminals, and the terminal and departure station are at T4 terminal.