Flights to St. John's, London, Ont., Lloydminster, Alta. and Medicine Hat, Alta. will be suspended beginning March 19.
"[Airlines] put out those flexibility policies as a way of steering people away from exercising their rights."
New travel restrictions could be imposed with little warning, the ministry says.
Smaller carriers, likely including Swoop, will get a pass on some of the new air passenger rights.
Officials have asked people to check their flights before heading to the airport.
Know your air travel rights!
It's a worst-case vacation scenario -- you've been waiting for hours at your airline's gate with your tropical itinerary and (increasingly cranky) kids in tow, when they make the announcement: Your flight will not be taking off as planned. Flight cancellations are often panic-inducing, especially if there are connecting flights, ground transportation and hotel reservations on the clock -- and your dollar.
WASHINGTON - Spring is in sight, but winter still has an icy grip on the eastern United States, with heavy snow and plummeting
TORONTO - The backups and delays continued Wednesday at Toronto's Pearson International Airport, with hundreds of flights
Hundreds of would-be passengers queued inside Toronto's main air travel hub, awaiting word of their flight status or simply