Air Canada Flight 850 from Calgary to Heathrow diverted to Toronto

An Air Canada flight from Calgary to London's Heathrow Airport was diverted to Toronto for several hours after "a slight electrical smell" was reported on board.

• Toronto Porter flight forced to land en route to Washington
• Porter Airlines Flight PD539 makes emergency landing in Toronto

FlightAC850left Calgary for Englandat 7 p.m. MT.

The Boeing 767 with 201 passengers on board changed its flight path on the western edge of Greenland and headed for Toronto.

Air Canada spokeswomanAngela Mah told CBC News that the diversion was done "strictly out of an abundance of caution due to a slight electrical smell detected in the cabin."

Mah said the flight landed without incident at Toronto's Pearson airport early Monday. The flight departed Toronto for Heathrow at 7 a.m. ET with a different aircraft.

3 Porter flightsdiverted Sunday, 2 due to smoke

The incident comes a day after three Porter Airlines flights were diverted, two becausesmoke in the passenger cabin was reported:

• A flight from Toronto to Sudbury, Ont.,made an emergency landing at Pearson airport Sunday night. The flight originated at Billy Bishop Toronto City airport, located on Toronto's downtown waterfront. The plane landed without incident.
• A flight from Toronto to Washington, D.C., made anunscheduled landing in Williamsport, Pa. No one was injured and the plane landed safely.
• A flight (POE630) from Thunder Bay to Billy Bishop airport instead landed at Pearson. A Porter spokesperson said the diversion was not related to other flights and was made as "a precaution that the captain elected to take based on an indication received in the cockpit."

Meanwhile, in England, a Virgin Atlantic jet bound for Las Vegas was forced to make an emergency landing after developing problems with its landing gear.

• Virgin Atlantic flight makes emergency landing in London