Thousands of flights are grounded after an air traffic outage that investigations attribute to a software problem rather than a deliberate military action. The failure is described as occurring within a “millisecond,” indicating the malfunction happens extremely quickly and then leads to wider disruption in air traffic systems.

The reports agree on the broad cause and timing: a brief software error leads to a sustained outage. They also frame the incident as an operational failure confirmed by inquiry rather than an external attack or intentional interference. While coverage emphasizes different angles, both accounts point to the same conclusion—that the incident is linked to software behavior and system performance following the rapid glitch.

No further details are provided in the excerpts on which specific software component failed, which air traffic service or region was affected, or how quickly normal operations resume. The shared focus across outlets is that the immediate trigger is a millisecond-scale software error that results in significant grounding of flights, affecting air travel during the outage.