Communications issues with Microsoft users worldwide were affecting some airlines serving DTW and Toledo Friday and eased slowly.
Nationwide, businesses including airlines and banks reported problems starting Thursday night and escalating Friday morning. Microsoft said it was gradually fixing an issue that affected access to Microsoft 365 apps and services.
As of 4:30 a.m., Delta, American Airlines, United Airlines and other airlines across the globe, said they had grounded all flights until the tech issue could be resolved. The FAA confirmed Allegiant flights had also been grounded.
Detroit Metro Airport’s X account announced around 5 a.m. that anyone flying on Friday should check their flight status before heading to the airport and its 8 a.m. update advised the same, even as operations started to return to normal.
Some of the airlines that operate at DTW have reported being affected by a global technology issue. As operations return to normal, there …