The strike at the Lufthansa Group’s holiday subsidiary Discover Airlines was due to end on Sunday evening after six days, according to the German pilots union Cockpit. The union is satisfied with the results, a spokesman said after last week’s joint decision with the UFO flight attendants union to stage a four-day walkout by pilots and cabin crew operating out of Frankfurt and Munich. “What we see is that many flights have been returned to the parent company Lufthansa. This is causing operational problems, and that is what we want to achieve,” the spokesman told dpa. The strike, which began on…