alg.execute(dataSet_, from, to, time);
try {
queryData_.setPath(alg.reportPath());
int t = alg.distance(to);
statusLabel_.setText("Path of length " + ((t - (t%60))/60) + " hours " + (t%60) + " minutes found");
} catch (InvalidQueryException iqe){
statusLabel_.setText("No path exists between " + ((AirportSpecs)from.element()).code() +
" and " + ((AirportSpecs)to.element()).code());