BBC:
Thousands of flights across the US have been cancelled or delayed as the northeast braces for a severe winter storm during the peak holiday travel season.
As of Friday night, 1,600 flights across the US had been cancelled and 7,400 had been delayed, according to flight tracking website FlightAware.
The most affected airports are John F. Kennedy International, Newark Liberty, and LaGuardia, which all serve the New York area. Boston, Chicago, and Toronto, Canada, are also impacted.
The National Weather Service issued a winter storm warning from 16:00 local time (21:00 GMT) on Friday until 13:00 on Saturday, with as much as 9 inches (23cm) of snow expected in New York and southern Connecticut.
JetBlue Airways had cancelled 229 flights, while Delta Air Lines scrapped 241 flights. Republic Airways and Southwest Airlines cancelled 180 and 151 flights, respectively. Around 100 scheduled flights by American Airlines and United Airlines were also cancelled.
On social media, airports were warning travellers to check with their airline to determine the status of their flights.
