The pilots union “Vereinigung Cockpit” has announced that, pilots will go on strike on Friday 29th August from 6am till midday. This strike will have a considerable effect on flight operations to and from Germany and on domestic German flights. Germanwings is drawing up an amended timetable for the period in question.
Flights of the Lufthansa Group Airlines Lufthansa, Austrian Airlines, Swiss, Brussels Airlines, Air Dolomiti as well as Eurowings and CityLine are not affected by the announced labour action.
http://www.lufthansa.com/de/en/Travel-information