S3: headway, hours of service, vehicles
Every 30 minutes in the daytime, every 30 in the evening, last departure 0:12 (Mon–Fri), through the night before Saturday and Sunday. 15 stops in 2 parts: Langenzersdorf – Praterstern and Hauptbahnhof – Perchtoldsdorf.
In short: Every 30 minutes in the daytime, every 30 in the evening, last departure 0:12 (Mon–Fri), through the night before Saturday and Sunday. 15 stops in 2 parts: Langenzersdorf – Praterstern and Hauptbahnhof – Perchtoldsdorf.
Headway and hours of service
S3 runs through the night before Saturday and Sunday, every 30 minutes. On other nights the last departure is around 0:12.
The S-Bahn trunk line between Hauptbahnhof/St. Marx and Praterstern is closed from 7 September 2026 to the end of October 2027 (ÖBB S-Bahn Wien upgrade). Until then the S3 runs in 2 parts: Langenzersdorf – Praterstern and Hauptbahnhof – Perchtoldsdorf; the U1, U2 and U4 run more often in between.
Vehicles
75 m, 160 km/h, 487 places, 24 bike spaces, low-floor entry
67 m, 140 km/h, 451 places, 15 bike spaces, low-floor entry
S-Bahn trains are not assigned to lines permanently: the Cityjet and the Talent are both air-conditioned (the 4020 series was retired in July 2026); which one comes is not in any open data source.
15 stops
Langenzersdorf – Praterstern
Hauptbahnhof – Perchtoldsdorf
Ride along on the S3, live on the map →Frequently asked
How often does the S3 run?
daytime every 30 min · evenings every 30 · 6:18–0:12 on weekdays, through from the night before · daytime every 30 min · evenings every 30 · until 0:12 on Saturdays, through from the night before · daytime every 30 min · evenings every 30 · until 0:12 on Sundays. Headway is the median gap between departures per direction at the busiest stop, from the ÖBB timetable as of 31 October 2026.
When is the last S3?
Through the night before Saturday and Sunday; on other nights around 0:12.
Is the S3 air-conditioned?
S-Bahn trains are not assigned to lines permanently: the Cityjet and the Talent are both air-conditioned (the 4020 series was retired in July 2026); which one comes is not in any open data source.
Does the S3 run at night?
S3 runs through the night before Saturday and Sunday, every 30 minutes. On other nights the last departure is around 0:12.
Why does the S3 not run across the trunk line?
The S-Bahn trunk line between Hauptbahnhof/St. Marx and Praterstern is closed from 7 September 2026 to the end of October 2027 (ÖBB S-Bahn Wien upgrade). Until then the S3 runs in 2 parts: Langenzersdorf – Praterstern and Hauptbahnhof – Perchtoldsdorf; the U1, U2 and U4 run more often in between.
Source: Wiener Linien, GTFS timetable data (data.gv.at, CC BY 4.0); S-Bahn: ÖBB-Personenverkehr AG, GTFS timetable and passenger vehicle data (data.oebb.at, CC BY 4.0); headway = median gap between departures per direction, daytime 6–20 h, evenings 20–24 h, nights 1–4 h. Fleet and air conditioning: Wiener Linien, Klimaanlagen, and ÖBB vehicle data. Positions on the map are computed from the timetable, not measured.
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