4 Rail

List of stops
      Tuesday to Friday

      Flensburg – Frankfurt (Main) Flughafen Regionalbahnhof

      Frankfurt (Main) Hauptbahnhof – Flensburg

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      Route Path (Streets & Roads)

      Outbound: Flensburg – Frankfurt (Main) Flughafen Regionalbahnhof
      Valentinerallee - Mansteinstraße - Bahnhofstraße - Hörstener Straße - Mittelhalle - Ankunftbogen
      Inbound: Frankfurt (Main) Hauptbahnhof – Flensburg
      Mittelhalle - Bahnhofstraße - Mansteinstraße - Valentinerallee

      Schedules and stops for this route are published in GTFS: ulmer-eisenbahnfreunde

      Last updated on November 13, 2026