Thousands of flights cancelled across US

Around 3,364 flights were cancelled and 3,155 delayed due to plummeting temperatures in the US, FlightAware.com reported.

US airline carrier JetBlue Airways grounded flights for 17 hours. Credit: Reuters

Major US airline JetBlue Airways today grounded flights for 17 hours at four of the busiest airports in the country.

More than half of the flights in or out of Chicago's O'Hare International Airport were cancelled after temperatures in the Windy City plunged to -15.

Read: What is a polar vortex?

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US temperatures set to plummet to record lows

Parts of America and Canada are experiencing near record-breaking low temperatures from a severe winter storm that has claimed at least 16 lives.