It branches off the Eastern Railway in Parndorf and runs 24.8 kilometres (15.4 mi) northeast to Bratislava.

The line runs northeast, crossing the river Leitha before entering Slovakia.

It runs parallel to the Bratislava–Hegyeshalom railway line [de] before terminating at Bratislava-Petržalka.

The line was split between Austria and Czechoslovakia after World War I. Cross-border service ended during World War II, and passenger service on the Austrian portion of the line ended in 1951.

[2] The line hosts hourly Regional-Express services between Wien Hauptbahnhof and Bratislava-Petržalka.