The line branches to the northeast from Neufahrn bei Freising station at a grade-separated junction from the Munich–Regensburg railway.

The first sod was turned for the construction on 18 March 1997 and the line was opened on 29 November 1998.

[3] As part of the Erding Ring Closure (Erdinger Ringschluss) project, to improve the airport's connections to eastern Bavaria, the so-called Neufahrner Kurve ("Neufahrn Curve") was opened in December 2018.

The curve branches off to the north before Neufahrn station to cross the A 92 and connects to the line towards Freising and Regensburg.

This runs from Munich East via the S-Bahn trunk line and the Munich–Regensburg railway to Neufahrn.