org.jsoup.nodes.Document doc = Jsoup.connect("http://site.eu").timeout(7*1000).get();

org.jsoup.nodes.Element tabella = doc.getElementsByClass("tabella-voli").first();
Iterator<org.jsoup.nodes.Element> iterator = tabella.select("td").iterator();

while(iterator.hasNext()){

Elements tables = currentServerPage.getElementsByClass("tabella-voli");
Element secondTable = tables.get(1);
Elements tdElements = currentServerPage.getElementsByTag("td");