Microsoft cloud services outage in Central U.S. region caused flight groundings and delays for low-cost airlines.

A Microsoft cloud services outage in the Central U.S. region caused low-cost airlines, including Frontier, Allegiant, and Sun Country, to ground flights. The outage affected booking, check-in, and access to boarding passes, leading to flight cancellations and delays. Microsoft is investigating the issue and has determined the cause, working to fix it. No other airlines were impacted by the outage.