Many travelers were left waiting around Tuesday after a computer glitch hit the reservation and booking system used by several US airlines.
"All functions have been restored following a temporary outage of Sabre's systems that impacted multiple airlines," JetBlue said in a statement. "We apologize to our customers for the inconvenience."
The outage hit the Sabre flight reservation and booking system used by several major airlines. Sabre acknowledged in a tweet Tuesday that it experienced a "system issue" but said operations were back to normal. Airline-related computer outages have caused inconvenience in the past, like whenbecause of problems caused by a faulty router.
Popular internet services also face occasional outages, leading to speculation that hackers are causing mischief. Earlier in March, Facebook was down for a day, but the company said. In 2016, hackers were responsible for , including Twitter, Reddit, Netflix and Spotify.
In their statements, the companies involved in Tuesday's outage didn't provide details of what caused the problem.
"Earlier today, Sabre experienced a system issue that impacted some customers," Sabre tweeted. "Technical teams were immediately engaged. Systems have recovered and customers are reporting normal operations. We apologize for the inconvenience to those affected."
American Airlines made a similar statement, calling the problem "a brief technical issue" that affected multiple airlines. "This technical issue has been resolved," the company said. "We apologize to our customers for the inconvenience."
Alaska Airlines didn't immediately respond to a request for additional comment.
Originally published March 26, 10:06 a.m. PT.
Update, 10:52 a.m.: Adds comments from JetBlue and Sabre.