Porter Airlines Expands London International Airport Footprint With Five Domestic RoutesBusinessOct 6 at 10:23 AM – Oct 6 at 12:27 PM3 outletsDaily HivePorter Airlines adds new nonstop route from Edmonton to Ontario city Oct 6 at 12:24 PMFinancial PostPorter Airlines Expands London International Airport Footprint With Five Domestic Routes Oct 6 at 10:23 AMPittsburgh Post-GazetteSouthwest Airlines to add three nonstop routes at Pittsburgh International Airport Oct 6 at 12:27 PM