NY
CNN
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More than 4,500 flights were delayed or canceled across the US on Sunday night as California continues to prepare for the impact of Tropical Storm Hilary. Many of the flights originated from or were en route to destinations in California or nearby states.
According to flight tracker FlightAware, some of the hardest-hit airports are Harry Reid International in Las Vegas, where more than 300 flights have been cancelled, and San Diego International, where about 40% of arrival and departure flights have been cancelled.
About a third of flights arriving and departing from Ontario International Airport out of Los Angeles have also been canceled as more than 9 million residents of the city are under flash flood warnings.
In California, the Burbank, Santa Ana and Sacramento airports have had to cancel more than 20% of their departing flights, and the Daugherty Field airport in Long Beach canceled at least 42% of its arrivals.
There are also some delays at the Denver and Phoenix international airports as the ripple effect of the storm spreads.
The storm has yet to make landfall in the United States, but hit the Baja California region of Mexico on Sunday. As conditions worsen, Governors Gavin Newsom of California and Joe Lombardo of Nevada have issued states of emergency.
Hillary is likely to cause severe flooding in parts of California and Nevada, which could experience a year’s worth of rain on Sunday.