Airspace closures after U.S. strikes trigger widespread Caribbean flight cancellations

U.S. military strikes on Venezuela triggered extensive disruption to Caribbean air travel over the New Year holiday weekend, as airlines cancelled hundreds of flights following emergency airspace restrictions imposed by U.S. authorities.

The Federal Aviation Administration ordered commercial aircraft to avoid parts of Caribbean airspace after the strikes, prompting U.S. carriers to ground or cancel services to multiple island destinations. The move stranded thousands of passengers at the peak of the holiday return period and underscored the sensitivity of regional aviation to sudden geopolitical shocks.

Puerto Rico was among the hardest hit. More than 350 flights—over half of the daily schedule—were cancelled at San Juan’s Luis Muñoz Marín International Airport on Saturday, according to flight-tracking data. Significant disruption was also reported at Aruba’s Queen Beatrix International Airport, where more than half of the scheduled flights were scrapped.

Major U.S. airlines, including American, Delta, United, Southwest, JetBlue and Frontier, were affected. JetBlue, which has one of the largest Caribbean networks, said it cancelled around 215 flights due to airspace closures linked to military activity. American Airlines said it was adjusting schedules in close coordination with the FAA, emphasising passenger and crew safety.

Non-U.S. carriers were also impacted. KLM warned of potential disruptions to services serving Aruba, Bonaire and Curaçao, highlighting the international reach of the airspace restrictions.

While the FAA described the measures as temporary, airlines cautioned that operational recovery could take longer even after restrictions are lifted, as aircraft and flight crews were displaced across the region. Carriers broadly issued travel waivers, allowing passengers to rebook without change fees.

The disruption came even though U.S. airlines have not flown to Venezuela for years, reflecting how airspace closures tied to military activity can affect aviation well beyond the immediate conflict zone. Similar restrictions in recent years around Russia, Ukraine, Israel and Iran have forced airlines to reroute flights or suspend services, reinforcing airspace access as a critical vulnerability for global airline operations.