Group 1 - China Eastern Airlines will officially launch the new international direct flight route from Xi'an to Vienna starting April 20, increasing its total number of European routes to 27 [1] - The Xi'an-Vienna route will be operated using the Airbus A330 aircraft, with flights scheduled on Mondays, Thursdays, and Saturdays [1] - The new route establishes an air bridge between the northwest region of China and Austria, enhancing economic cooperation, cultural exchange, and tourism between the two locations [1] Group 2 - Tickets for the Xi'an-Vienna route are now available for purchase, with promotional offers including a "segment discount red envelope" for tickets bought through the Eastern Airlines app from January 30 to March 31 [2] - Eastern Airlines members purchasing round-trip tickets for specific dates in April will receive double points as part of the promotional campaign [2]