A nationwide strike in Portugal on Wednesday cancelled 658 flights, nearly 45% of all scheduled operations, turning a routine travel day into one of the country’s worst airport disruptions in recent memory. Lisbon Airport took the hardest hit, with 408 of 658 scheduled flights cancelled and 62% of departures failing to leave as planned.

The scale of the portugal airport strike cancellations was felt well beyond the capital. Airport operator ANA said Ponta Delgada Airport in the Azores had the second-highest cancellation rate at 41%, while around a third of flights were grounded in Porto, roughly 30% in Faro and 23% on Madeira.

That nationwide figure hides how uneven the disruption was from one airport to the next. While Lisbon was effectively shut down by the strike, Porto Santo and Horta reported minimal or no disruption, showing that the same walkout hit some parts of the network far harder than others.

ANA’s numbers captured the immediate damage to travel on Wednesday, but the broader picture remains incomplete. The strike’s duration was not stated, and there was no confirmation on whether cancellations would continue after the first day, leaving passengers and airlines with no clear end point for the disruption.

For travelers, the practical takeaway is simple: Wednesday’s strike did not just delay a handful of routes, it wiped out nearly half of all scheduled flying across Portugal, with Lisbon at the center of the chaos and regional airports absorbing a far lighter shock. The next question is not how severe the disruption was — that is already clear — but how long Portugal’s air network can keep operating before the strike’s full cost is finally counted.