Porter Airlines (P3, Toronto Billy Bishop City Centre) is set to announce an order for "up to 30" Bombardier Aerospace (BBA, Montréal Trudeau) CSeries jets the Wall Street Journal writes, with an announcement likely due on Wednesday. Bombardier last year allured to an unnamed airline having signed a Letter of Intent to buy 12 CSeries aircraft, with options for another 18 aircraft, in a transaction valued at US$2.08 billion. Porter currently operates a fleet of 26 DHC-8-400s on a varied regional network that includes both Canadian and US destinations.