US airspace suspension causes 6,000 flight cancellations and widespread travel disruption

A massive suspension of US airspace on Friday night, November 13, 2026, has caused significant disruption to international aviation, resulting in the cancellation of 6,000 flights worldwide. The suspension, which affected nearly all take-offs, lasted for 4 hours and 21 minutes, according to one report. The US airspace officially reopened at 01:15 Lisbon time on Saturday, November 14, 2026. The incident has impacted hundreds of thousands of passengers and forced more than 800 aircraft to divert to airports that were not part of their original flight plans.

The cause of the technical failure

US Secretary of Transportation Sean Duffy provided updates regarding the situation via the social network X. The Secretary stated that the disruption was caused by outdated equipment from the 1980s that failed because it became overloaded with data. This technical failure occurred during a period of high travel volume, as the incident took place just two weeks before the Thanksgiving holiday.

While the immediate suspension has ended, the impact on global travel remains significant. Sean Duffy said, "Operations are gradually returning to normal this morning, but delays and cancellations will continue as airlines reschedule flights and relocate resources."

Global impact and airline response

The scale of the disruption is evident in the numbers provided by officials. Beyond the 6,000 cancelled flights, the diversion of 800 aircraft created a logistical challenge for airlines attempting to manage their fleets. These diversions meant that many planes landed at airports that were not their intended destinations, complicating the movement of both passengers and aircraft.

Airlines are currently working to manage the aftermath of the suspension. According to officials, the industry is in the process of rescheduling flights and relocating aircraft and crews to restore regular service. The timing of the failure, occurring shortly before a major holiday, adds complexity to these recovery efforts as airlines attempt to stabilize their schedules.

What happens next

As the industry moves into the recovery phase, travelers should expect ongoing changes to their itineraries. Although the airspace is open, the ripple effects of the 4-hour and 21-minute suspension continue to affect flight schedules globally. Airlines are focusing on repositioning their resources to minimize further delays as they attempt to return to standard operations.

Glossary

• US airspace — Sovereign airspace belonging to the United States. It is a territory where certain rules apply to aircraft passing through.
• Lisbon time — A time zone used in Lisbon. It is used to denote specific times for events occurring in different locations.
• Thanksgiving holiday — A holiday in North America with roots in English traditions dating from the Protestant Reformation. It has aspects of a harvest festival and is celebrated in the United States.