For the fourth day in a row, delays and cancellations wreaked havoc at a number of Canadian airports.
Airways and airports alike pointed to frigid temperatures in Alberta and snow in BC as the primary culprits as situations created challenges for floor crews, delayed operations and grounded flights.
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Chaos continues at Western Canadian airports. What can stranded passengers do?
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Chaos continues at Western Canadian airports. What can stranded passengers do?
WestJet additionally attributed restrictions on plane deicing fluid as an element.
In an e-mail to International Information Wednesday morning, WestJet spokeswoman Morgan Bell mentioned the “restrictions for deicing fluid are at -29C.”
“Deicing throughout excessive chilly temperatures and concurrent lively precipitation presents vital challenges,” WestJet spokeswoman Denise Kenny defined in a later replace Wednesday. “There are two varieties of de-icing fluid used on plane: Kind 1 and Kind 4.
“Kind 1 fluid is efficient in eradicating snow and ice from the outside of an plane and can be utilized at temperatures beneath -40 levels Celsius. Kind 4 is an anti-icing fluid that forestalls precipitation from sticking to the handled floor, however its lowest usable temperature is -29 levels Celsius.
“Sure areas in Western Canada are experiencing lively precipitation amid excessive chilly temperatures, which provides extra layers of complexity to plane deicing necessities and slows down the general course of,” Kenny mentioned.
Your complete province of Alberta was below an excessive chilly warning Wednesday, with wind chill values of -40 or colder anticipated for a lot of the week. Massive components of BC have been additionally below excessive chilly warnings Wednesday as snow, excessive chilly and arctic winds grip Western Canada.
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“At temperatures together with and beneath -29 levels Celsius, anti-icing fluid is not efficient,” mentioned Stephanie Harris, a spokeswoman for Calgary Worldwide Airport.
“This barely delayed some flights final evening and right this moment (Wednesday), inflicting no main influence or concern to the operation.”
Anti-icing fluid grew to become efficient at 10:24 a.m. Wednesday, she mentioned.

Even at 4pm Calgary was -28 C with no wind chill.
“Via the Calgary Glycol and Gasoline consortium, the airways safe de-icing companies and determine to de-ice based mostly on climate situations at YYC,” added Harris.
“AeroMag is the first provider of alternative [centralized] de-icing companies.”
Edmonton Worldwide Airport additionally makes use of AeroMag.
The temperature in Edmonton on Wednesday morning was -34 C with out factoring in wind chill.
“By way of deicing fluid for plane at Edmonton Worldwide Airport, the product utility threshold is -29C for Kind 4 with snow,” airport spokeswoman Megan Corridor mentioned.
“When temperatures drop beneath the -29C vary, Kind 1 (which is a two-step course of with a hold-over utility time) is used.”
Wind chills will not be factored into the temperature calculations, she mentioned.
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Arctic air mass shatters chilly climate information in Alberta
Corridor mentioned security and safety stay the airport’s precedence.
“As a winter airport, we plan and prepare for various conditions to make sure security and effectivity for our passengers and workers.”
A press release from Air Canada signifies that almost 600 of its flights haven’t been accomplished previously 5 days.
About 935 Air Canada flights depart worldwide every day, it mentioned, with a flight completion fee “nicely above” 98 p.c because the begin of December.
However over the previous 5 days, the speed has dropped to 87.25 p.c, the assertion mentioned, citing storms in Ontario and B.C.
Air Canada mentioned vacationers should rebook on-line if their flight is canceled, whereas WestJet is providing full refunds to passengers who select to proactively cancel.

A press release from WestJet reveals 130 flights have been canceled to date Wednesday, out of 563 flights initially scheduled.
On Tuesday, 240 flights have been mentioned to be grounded as a result of disruption in Vancouver together with freezing temperatures in Calgary and Edmonton, whereas 250 flights have been canceled on Sunday and Monday.
A press release from Vancouver’s airport mentioned it had suspended all worldwide arrivals for about 48 hours to cope with the “congestion” attributable to 27cm of snow on Tuesday.
The restriction, which impacts 17 airways and round 30 flights, is because of be lifted at 05:00 on Friday.
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Vancouver Worldwide Airport’s floor cease has been lifted, however incoming worldwide flights are restricted
Vancouver airport officers issued one other assertion later Tuesday, saying improved climate and work by crews clearing runways allowed for a rise in takeoffs and landings. However delays and cancellations are anticipated to proceed, it mentioned.
The assertion from Vancouver Worldwide Airport acknowledged that stopping worldwide arrivals till two days earlier than Christmas can be a blow.
“We absolutely acknowledge the influence this may have on people and households over the vacation season. Nevertheless, the congestion attributable to Tuesday’s storm occasions makes this motion crucial,” the assertion mentioned.
A big variety of plane stay on the airport, inflicting congestion at its airfield, airport officers mentioned of their subsequent assertion.

One other main winter storm is anticipated to hit the Toronto space late this week into the vacation weekend. Toronto Pearson Worldwide Airport is now advising of an approaching storm that might additional derail journey.
At Pearson, officers are advising vacationers to verify with their airways as a result of airport operations may very well be affected by a storm forecast that arrives Thursday and will doubtlessly trigger flash freeze or blizzard situations the subsequent day.
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Flight delays, cancellations hit Alberta’s two main airports
WestJet has posted data for visitors who’ve canceled flights.
The airline additionally mentioned it was “appropriately staffed for the vacation journey season and our groups on the airport are working as shortly as doable to assist all affected visitors.
“The continued excessive chilly climate warnings affecting Alberta and prolonged forecast snow and climate occasions for areas throughout BC….have a critical influence not solely on our operations, but additionally our workers and repair companions who’re coping with freezing temperatures and excessive climate struggles,” Bell mentioned.
“In Vancouver right this moment and throughout from final evening alone, the climate prevented a lot of our workers and repair companions from attending to work safely. Moreover, extreme climate impacts proceed to be difficult as we work to stabilize our operations and facilitate necessary crew relaxation necessities for security.”
Air Canada additionally mentioned it spent vital time getting ready for the winter, together with hiring.
“Air Canada’s deliberate schedule for this quarter is 85 p.c of the identical time in 2019, pre-pandemic. We at present have about 35,600 workers, about 1,000 greater than we had then,” an airline spokesperson mentioned on Wednesday.
– with information from The Canadian Press