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Dec 17, 2025

Cyclone-Triggered Blackout Grounds Nearly 400 Flights in São Paulo, Derailing Year-End Business Travel

Cyclone-Triggered Blackout Grounds Nearly 400 Flights in São Paulo, Derailing Year-End Business Travel
A powerful extratropical cyclone that swept across south-eastern Brazil on 10 December is still causing severe knock-on effects for corporate travellers almost a week later. In the early hours of Tuesday, 16 December, São Paulo’s two main airports – Congonhas (domestic) and Guarulhos (international) – published updated statistics showing a combined 369 cancellations since the storm hit. Electricity outages, downed trees and flooded access roads have slowed passenger screening and baggage handling, forcing airlines to trim schedules to maintain minimal on-time performance.

LATAM, GOL and Azul have activated flexible re-booking policies that waive change fees for passengers ticketed between 10 and 20 December. Even so, crew and aircraft mis-positioning is rippling through domestic networks; executives flying between regional plants and São Paulo headquarters report connection times stretching from the usual 45 minutes to more than four hours. International links are also vulnerable: flights to Miami, Lisbon and Santiago left São Paulo on Tuesday with dozens of empty seats after feeder legs from Recife, Curitiba and Porto Alegre failed to arrive on time.

The blackout at its peak left 1.4 million customers without power, including water-pumping stations and segments of the São Paulo metro. Many downtown offices switched to generator power, but suburban business parks reported intermittent outages that disrupted video-conference meetings and payroll submissions tied to global closing cycles. Travel-risk consultancies have raised São Paulo’s business-mobility risk level to “orange” until local utility Enel publishes a credible restoration timetable.

Cyclone-Triggered Blackout Grounds Nearly 400 Flights in São Paulo, Derailing Year-End Business Travel


For travellers whose itineraries now involve unexpected layovers or rerouting through additional countries, securing the correct travel documents can quickly become another headache. VisaHQ’s self-service platform (https://www.visahq.com/brazil/) offers fast visa processing, real-time status updates and expert support, allowing corporate road-warriors to update or obtain the necessary paperwork without leaving their desks—an invaluable safeguard when flight plans keep shifting.

Practical advice for mobility managers includes staggering departure times to avoid morning peaks, pre-booking hotel rooms near the airport for critical staff, and alerting finance teams to potential delays in year-end expatriate travel claims. Importantly, travellers should monitor the National Civil Aviation Agency’s real-time dashboard and allow at least three hours between domestic and long-haul connections until operations normalise.

Looking ahead, airlines warn that aircraft and crew rotations will remain fragile through the busy Christmas period. Companies planning January kick-off meetings in São Paulo may wish to secure refundable fares or consider hybrid formats to avoid further disruption.
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