Wien Leopoldau to Vienna Airport train with ÖBB | S-Bahn

The ÖBB REX is a regional express train operated by the Austrian Federal Railways (ÖBB). It is one of the most popular train services in Austria, connecting major cities and towns across the country. They are semi fast regional trains which call at fewer stations than regular regional trains. There are different ÖBB REX train types like Cityjet, Talent, Desiro and City Shuttle all offering 2nd class tickets only. Some popular ÖBB REX routes include Salzburg to Worgl, Innsbruck to Kufstein and Graz to Seltzhal.

ÖBB S-Bahn, short for \Schnellbahn\" (rapid railway), is a suburban commuter rail network primarily serving metropolitan regions in Austria, operated by the Austrian Federal Railways (ÖBB). It functions as a hybrid urban-suburban system, with some larger S-Bahn networks offering services similar to rapid transit. The Vienna S-Bahn, a key part of the network, has been in operation since 1962 and connects Vienna's surrounding areas with the city. It is integrated with the national railway system, sharing tracks with regional and other rail traffic. ÖBB S-Bahn utilizes various train types, including the ÖBB Cityjet, Talent, Desiro, and bi-level push-pull trains. Tickets can be purchased online, via the ÖBB App, at ticket machines, or at ÖBB Travel Centres, with earlier online bookings often offering better prices."

Czech Railways (České dráhy, ČD) is the largest railway company in the Czech Republic, connecting major cities, small towns, and even international destinations across Europe. Its extensive fleet of modern trains ranges from comfortable regional services with A/C and onboard WiFi to high-speed trains offering dining cars, power outlets, and premium seating for long-distance journeys. Czech Railways combines affordability and convenience, making it a popular choice for travelers exploring the Czech Republic and beyond.