From CNN:
Runway windsocks were being studied more closely than ever as Airbus test pilots prepared to take the world’s largest airliner, the A380, on its maiden flight Wednesday — weather permitting.
About 11 years and €10 billion ($13 billion) into the A380 program, the 555-seater “superjumbo” is set to heave its 280-metric ton frame aloft for the first time before 50,000 expected onlookers, both invited and uninvited.
More here. Update: it has flown. More on the flight here.