Flights grounded by fog at Pearson Airport in Mississauga, Ontario

Some flights out of Pearson Airport in Mississauga have been temporarily grounded today as heavy fog that’s blanketed the region has made it unsafe to get planes into the sky.

Over the last two weeks, it’s been large amounts of snow and high winds that have, at times, impacted flights both into and out of Pearson.

On Wednesday afternoon, Pearson officials took to social media to update travellers on a weather concern of a different nature.

“Dense fog has created low visibility at Toronto Pearson and Nav Canada has temporarily grounded some flights,” airport officials said on a post to X (formerly Twitter). “Full operations are expected to resume throughout the day as conditions improve.”

Earlier today, Pearson officials noted the difficulties that bad weather presents.

“It’s been a mixed bag of winter weather at Toronto Pearson this week, from cold weather to snow squalls and now fog,” officials said on social media. “On days like today, air traffic controllers regularly assess visibility and adjust hourly arrival rates to maintain safe operations. Flights for the most part are departing and arriving on time.”