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Canada shut airspace within minutes on 9/11, ex-minister says

Former transportation minister David Collenette recounts the rapid decision-making process during the September 11 attacks.

AI-assisted coverage comparison, editor-supervised · How this was made

Published
Canada shut airspace within minutes on 9/11, ex-minister says

What this story says

  • Canada's airspace was closed within minutes on September 11, 2001, as hundreds of aircraft were in the air, according to former transportation minister David Collenette.
  • Approximately 270 planes were directed back to Europe, while over 230 were diverted to land in Canada, with Gander, Newfoundland, accommodating 38 planes and about 6,500 passengers.
  • Collenette stated that there was no discussion of cost at the time, as people across the country offered support to stranded passengers.
  • Various events are planned across Canada to commemorate the nearly 3,000 people killed in the 9/11 attacks.

Who covered it

Left 65%(15)Centre 35%(8)Right 0%(0)

Percentages are shares of the 23 outlets carrying a published leaning rating. 2 of the 25 outlets we know ran this story carry no rating and are not counted in them. Coverage measured .

Trust

42/100

Craft

57/100

Hype

20/100

25 sources · methodology

Thin on the right so far

None of the 23 outlets with a published leaning rating that ran this story are rated right.

This story is still being watched, so it is a count and not yet a finding. Coverage keeps arriving for hours after an event, and a side that has published nothing this morning may publish by tonight. If it is still true when we stop checking, we will say so plainly.

On September 11, 2001, hundreds of aircraft were in the air over the western North Atlantic when the United States shut down its airspace. Canada's then-transportation minister, David Collenette, stated that the country had only minutes to decide whether to close its own airspace. Approximately 270 planes were told to turn back to Europe, while over 230 planes were directed to land in Canada. Gander, Newfoundland, a town of about 9,000 people, accommodated 38 planes carrying approximately 6,500 passengers.

Collenette, who was attending an international conference in Montreal when he received news of the attacks, returned to Ottawa to manage the situation. He recalled that a plane was entering Canadian airspace every 90 seconds. The decision to close Canadian airspace was made quickly, with officials directing planes to land in various locations, including Atlantic Canada and larger cities like Montreal and Vancouver.

The former minister noted that people across the aviation community and the country worked together efficiently to ensure the safety of all passengers. He highlighted that no one disputed the orders given by air traffic controllers. Collenette also mentioned that at the time, there was no discussion about the financial cost of accommodating the stranded passengers, as individuals offered significant support.

Various events are planned across Canada to commemorate the nearly 3,000 people killed in the 9/11 attacks. These include a commemoration ceremony in Gander, where Collenette will speak, an exhibition of drawings by artist John Coburn in Toronto, and memorial ceremonies at border parks and gardens in British Columbia and Manitoba.

Disagreement on number of planes in the air

City News reported that there were about 500 planes in the air over the western North Atlantic when the US shut down its airspace, carrying an estimated 85,000 people. The other reports do not provide a specific number for planes in the air or people on board at that moment.

What the coverage left out

None of the left-rated or centre-rated reports mention the specific cost of accommodating stranded passengers that David Collenette stated was not discussed at the time.

Still developing. We have re-checked which outlets are covering this 5 times, most recently on 10 Sept 2026, 13:45, and will add the sides that appear.

How each side covered it

Our own reading of the reporting listed below, written from the outlets’ articles rather than quoted from them. The reasoning is set out on our methodology page.

Left

15 rated outlets

  • The left-rated reports led with the urgency of Canada's decision to close its airspace, often using headlines that highlighted the limited time frame. They focused on the actions taken by former transportation minister David Collenette and the swift response of Canadian authorities. These reports detailed the number of planes diverted to Europe and Canada, and specifically mentioned Gander, Newfoundland, as a key landing site for stranded aircraft and passengers. The digests also noted the various commemorative events planned across Canada to mark the 9/11 anniversary and remember those killed in the attacks.

Centre

8 rated outlets

  • The centre-rated reports also highlighted the rapid decision-making process regarding Canada's airspace closure on 9/11, with headlines reflecting the limited time available. They included details about the number of planes diverted and the specific role of Gander, Newfoundland, in accommodating thousands of passengers. These reports also mentioned the broader context of 9/11 commemorations taking place across Canada. The City News full report provided specific figures for the number of planes in the air and passengers on board, which was not present in the other centre-rated digests.

Right

0 rated outlets

No outlet rated right has run this story so far. We are still checking, and will say plainly if that does not change.

Questions about this coverage

How did the left and right cover Canada shut airspace within minutes on 9/11, ex-minister says?
Of the 23 outlets on this story carrying a published leaning rating, 65% are rated left, 35% are rated centre, 0% are rated right. Those percentages are shares of the rated outlets, not of every outlet that ran it, which was 25. The sections above set out what each side emphasised, in its own terms.
Is Canada shut airspace within minutes on 9/11, ex-minister says left or right?
Neither side dominates it. Of the 23 rated outlets on this story, 65% are rated left, 35% are rated centre, 0% are rated right, and no side holds the 70% this site would want before calling a field one-sided. A story is not left or right in any case; the outlets that carried it are what carry ratings.
Is the coverage of Canada shut airspace within minutes on 9/11, ex-minister says biased?
Canada shut airspace within minutes on 9/11, ex-minister says is one event reported by 25 outlets, and this page does not rate the story as biased or unbiased. What it publishes is the spread: which outlets ran it, where named rating organisations place each of them on the spectrum, and what each side chose to lead with. A leaning rating describes an outlet's record over time, not this article, and the two should not be run together.
Which side is not reporting Canada shut airspace within minutes on 9/11, ex-minister says?
When we first saw this story, outlets rated right had barely covered it. Coverage accretes for hours after an event, so that is where to look rather than a verdict — the split above is the current count, and it is the one to read.
Which outlets covered Canada shut airspace within minutes on 9/11, ex-minister says?
25 that we know of, every one of them listed further up this page with a link to its own report and to what we hold on the publisher. Nothing here is a summary of somebody else's summary: the outlets are named so the original reporting can be read.
How quickly did Canada close its airspace on 9/11?
Canada's then-transportation minister, David Collenette, stated that the country had only minutes to decide whether to close its airspace on September 11, 2001, as hundreds of planes were in the air. This decision was made rapidly in response to the US shutting down its own airspace.
How many planes were diverted or landed in Canada on 9/11?
Approximately 270 planes were told to turn back to Europe, while over 230 planes were directed to land in Canada. The town of Gander, Newfoundland, specifically accommodated 38 planes carrying about 6,500 passengers.
Were there any costs associated with landing planes in Canada on 9/11?
According to former minister David Collenette, there was no discussion of the financial cost at the time of the 9/11 attacks. He noted that people across Canada offered significant support, opening their homes and donating resources to stranded passengers.

Read it at the source

25 outlets, grouped by the leaning a published rating gives them. Every headline links to the original; an underlined outlet name opens our profile of that publisher.

Left

15
Show 7 more

Centre

8

Right

0

No outlet in this group ran the story.

Not rated

2

How did this read?

About the coverage, not about the story. We do not ask whether you agree with what happened — we have no honest use for that answer.

Canada's 9/11 Airspace Closure | MediaBias News