According to the latest information from Swiss TV, Swissair will resume ex-ZRH flights tomorrow based on a 450 Mio CHF credit guarantee by the Swiss governement. (Currently all aircraft are at ZRH - I saw them today
http://www.flyertalk.com/forum/frown.gif )Swissair intends to resume most of its flights until the end of the summer timetable. If your flight is later then that... hope.