Three days after a computer update problem caused more than 5,000 flight cancellations around the world in a single day, things are pretty much back to normal — except at Delta Air Lines.

A blue screen for an inaccessible website on a laptop computer following reports of a major global outage, arranged in Palma de Mallorca, Spain, on July 19, 2024. We were warned that our embrace of ...

A system-wide computer problem stalled four South Shore Line trains at their stations between 20 and 45 minutes Tuesday afternoon. The issue was with Positive Train Control, the computer-operated ...