About 90% of Spirit Airlines flights were delayed Thursday due to a technical issue affecting the airline’s website.

In a tweet posted at 8:43 a.m., Spirit said the issue was affecting Spirit.com, the Spirit Airlines app, and its airport kiosks, causing delays.

In an emailed statement at 10:44 a.m., a Spirit spokesperson said the issue had been resolved.

«We have resolved a network issue between third-party services that affected our website, mobile app, and some internal apps,» the airline said in a follow-up email. «We apologize for any delays and inconvenience, and are now working to return to normal operations.»

According to the flight tracking site Anuvu’s Pulseless than 24% of Spirit flights were leaving on time at 10:30 am Thursday.

By about noon on Thursday, that figure had risen to nearly 90%, with more than 3% of flights cancelled.

The ruling represents a worrying start to the summer travel season as the US airline industry seeks to avoid repeating the turmoil of last year when airlines were hampered by delays and cancellations.

And it comes just as the Transportation Security Administration reported 2023 screening volumes they have now exceeded 2019 levels — putting even more pressure on airlines to meet growing demand.

in a day before the commemoration interview with NBC Newswarned transportation secretary Pete Buttigieg, «We’re not out of the woods.»

«We’ve seen demand for air travel come back strong, and the system has had trouble keeping up,» he said.