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NEW YORK – JetBlue restored their network Thursday afternoon after power issues knocked out the airline’s websites and grounded airplanes across the country.

“Flights are still departing at this time but customers traveling may experience delays or cancelations.  Customers traveling today will receive current flight status information from crew members in our airports,” JetBlue said in a statement.  A power outage at a Verizon data center is being blamed for the network failure.

Customers can now check in on their flight at http://checkin.jetblue.com or book travel at www.jetblue.com, but the airline is advising there may be delays or cancelations.

Around 11:40 a.m., JetBlue’s sites began displaying an “Internal Server Error” message.  JetBlue turned to Twitter to warn stranded passengers, sending out the following message about an hour later:

“We’re experiencing intermittent network issues due to a data center power outage.  We’re working to resolve & should be restored shortly.”