More than 9,000 flights have been cancelled in the US in the past four days as a result of the severe weather and record low temperatures, Bloomberg reports.
Most of the cancellations were in the Chicago airport, with O’Hare International and Midway International accounting for 1,500 cancellations.
As much of the US experiences a dangerous and severe cold spell, does the UK have anything to worry about?
As the US battles sub-zero temperatures, ITV News Washington correspondent Robert Moore illustrates just how cold it is in Minnesota.
Leaders across America are urging residents to stay in their homes as "polar vortex" batters the east coast after snowstorm Hercules.