Question: where does porter airlines fly out of in toronto
Answer: Porter Airlines IATA ICAO Callsign PD POE PORTER Founded February 2 , 2006 Commenced operations October 23 , 2006 Hubs Billy Bishop Toronto City Airport Focus cities Halifax Stanfield International Airport Montréal - Pierre Elliott Trudeau International Airport Ottawa Macdonald - Cartier International Airport Frequent - flyer program VIPorter Fleet size 29 Destinations 24 Parent company Porter Aviation Holdings Inc .