Travelers Stranded In Puerto Rico As American, JetBlue, United, Southwest, And Others Faced 64 Delays And 4 Cancelled Flights At Luis Munoz Marin Airport, Disrupting Routes Across United States, Dominican Republic, Colombia, British Virgin Islands, and More

Written By: Ryan Rashid

Ryan Rashid

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June 29, 2026 3:39 AM

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Passengers faced travel disruptions at Luis Muñoz Marín International Airport (SJU) today as a total of 64 delays and four cancellations affected operations. JetBlue and Tradewind were among the airlines facing the greatest impact, while Southwest Airlines, United Airlines, American Airlines, Frontier Airlines, and Air Canada also recorded disrupted services. Alongside Luis Muñoz Marín International Airport, airports including Fort Lauderdale International Airport, Gustaf III Airport, Orlando International Airport, and Punta Cana International Airport were among the locations experiencing notable operational interruptions, affecting travelers across Puerto Rico, the United States, the Dominican Republic, Colombia, the U.S. Virgin Islands, the British Virgin Islands, Saint Barthélemy, Saint Kitts and Nevis, and Canada.

• June 29, Luis Muñoz Marín International Airport recorded 64 delayed flights and four cancellations.
• JetBlue experienced the largest number of delayed flights while also recording cancellations.
• Tradewind accounted for multiple flight cancellations and additional delays.
• Southwest Airlines continued to experience several delayed services during the day.
• Frontier Airlines, United Airlines, American Airlines, and Air Canada also reported operational disruptions.
• Luis Muñoz Marín International Airport remained the primary location affected throughout the day.
• Fort Lauderdale International Airport and Gustaf III Airport also saw flight cancellations.
• Orlando International Airport handled numerous delayed services linked with Puerto Rico.
• Flights involving Punta Cana, Las Américas, Newark, Jacksonville, Tampa, Boston, and Nashville experienced delays.
• Travelers flying between Puerto Rico, the United States, the Dominican Republic, Colombia, Canada, and several Caribbean destinations experienced schedule changes.

Airlines Seeing The Greatest Operational Impact

JetBlue

JetBlue experienced the highest level of disruption among airlines serving Luis Muñoz Marín International Airport. Along with a significant number of delayed departures and arrivals, the carrier also recorded cancellations, making it the most affected airline during today’s operations. Many of its flights connecting Puerto Rico with destinations across the United States and the Caribbean experienced schedule adjustments.

Tradewind

Tradewind faced multiple cancellations along with additional delayed flights. Although it operates a smaller network than several larger airlines, today’s disruptions affected a noticeable share of its scheduled services, particularly on regional Caribbean routes.

Southwest Airlines

Southwest Airlines reported numerous delayed flights throughout the day. While no cancellations were recorded, passengers flying between Puerto Rico and several U.S. cities experienced longer waiting times due to operational adjustments.

Frontier Airlines

Frontier Airlines also encountered delays across its scheduled services. The airline continued operating flights, although several departures and arrivals did not operate according to their planned schedules.

United Airlines

United Airlines experienced a number of delayed flights serving Luis Muñoz Marín International Airport. The disruptions affected connections between Puerto Rico and destinations on the U.S. mainland, leading to revised travel schedules for some passengers.

American Airlines

American Airlines recorded delays on several services operating through Luis Muñoz Marín International Airport. While cancellations remained limited, some travelers experienced changes to their departure or arrival times.

Air Canada

Air Canada also experienced delays affecting flights linked with Puerto Rico. Although its overall operations remained relatively stable, travelers on impacted services encountered schedule adjustments.

What Should Affected Passengers Do?

• Check your flight status frequently through your airline before leaving for the airport, as departure and arrival times may continue to change throughout the day depending on operational conditions.
• Remain in contact with your airline and carefully review any notifications regarding gate changes, revised schedules, alternative flights, or other travel updates that may be issued before departure.
• Arrive at the airport with additional time available, allowing flexibility for check-in, baggage processing, security screening, and any changes that may occur during your journey.
• Keep important travel documents, identification, boarding passes, and essential personal items readily accessible in case airline staff request updated documentation during rebooking or schedule changes.
• If your flight is affected, speak directly with your airline regarding available rebooking options, travel policies, accommodation assistance where applicable, or alternative routing to your destination.
• Monitor weather conditions and airport announcements regularly while remaining flexible with your travel plans, particularly if connecting flights or onward transportation may also be impacted.

What Led To Flight Delays And Cancellations?

Flight disruptions can occur for a variety of operational reasons. Airlines routinely adjust schedules in response to aircraft availability, crew scheduling requirements, maintenance procedures, air traffic management measures, changing weather conditions, airport congestion, and broader network operations. Even when conditions improve at one airport, earlier delays elsewhere can continue to influence flight schedules throughout the day. Because many airlines operate interconnected networks across multiple countries, operational changes at one location may affect flights serving Puerto Rico, the United States, the Dominican Republic, Colombia, Canada, and neighboring Caribbean destinations.

Overall Look At Today’s Flight Situation

Today’s disruptions at Luis Muñoz Marín International Airport reflected the interconnected nature of air travel across North America and the Caribbean. JetBlue remained the most affected airline, while Tradewind, Southwest Airlines, Frontier Airlines, United Airlines, American Airlines, and Air Canada also experienced operational challenges.

Flights involving Luis Muñoz Marín International Airport, Fort Lauderdale International Airport, Orlando International Airport, Punta Cana International Airport, Las Américas International Airport, and Gustaf III Airport experienced varying levels of delays and cancellations. Additional services linked with Newark, Boston, Jacksonville, Nashville, Tampa, Philadelphia, Chicago, Washington, Toronto, Bogotá, Medellín, Saint Thomas, Saint Croix, and Saint Kitts also encountered schedule adjustments.

The operational changes affected travelers moving between Puerto Rico and destinations across the United States, the Dominican Republic, Colombia, Canada, the U.S. Virgin Islands, the British Virgin Islands, Saint Barthélemy, and Saint Kitts and Nevis. While most flights continued operating, passengers were encouraged to stay informed through their airlines as schedules remained subject to ongoing operational adjustments. As airlines continue managing today’s disruptions, travelers flying through Luis Muñoz Marín International Airport should expect that departure and arrival times may continue to evolve as normal operational conditions are restored.

Authors Observation: The information in this report has been compiled manually from FlightAware and reflects the latest updates available at the time of publication. Flight schedules may change as airlines continue to adjust operations. Travelers are advised to monitor real-time flight information, review their airline’s rebooking policies, and remain flexible with their travel plans.

Source: Different airports and FlightAware