United Airlines Launches Nonstop Flights from Houston and Washington Dulles to Cartagena, Colombia from December 17 on Boeing 737

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United Airlines is preparing to strengthen its Latin America network with the introduction of new nonstop flights from Houston Intercontinental Airport (IAH) and Washington Dulles International Airport (IAD) to Cartagena, Colombia (CTG), with services scheduled to begin on December 17. The launch comes as part of the airline’s winter expansion plan, driven by increasing demand for travel to Caribbean destinations and growing interest in Colombia’s coastal tourism market, where Cartagena continues to emerge as a major cultural and leisure hotspot.

The new route also reflects United Airlines’ broader strategy to deepen its presence across Latin America, where it already operates an extensive network from key US hubs. Operated using the Boeing 737, the service is designed to balance operational efficiency with enhanced passenger comfort, featuring modern cabin amenities such as seatback entertainment, Bluetooth connectivity, and expanded overhead storage. Operating year-round with an initial four weekly flights from each hub, the new service improves direct access between the United States and one of Colombia’s most iconic coastal destinations, supporting both leisure tourism and VFR demand.

Cartagena Emerges as a High-Value Tourism Destination for 2026

The launch comes at a time when Cartagena is gaining strong global attention as a premier travel hotspot. Recognised by Lonely Planet as a 2026 Best in Travel destination, the coastal city is increasingly viewed as a must-visit location for international tourists seeking cultural depth, coastal leisure, and culinary exploration.

Cartagena is widely known for its well-preserved Spanish colonial architecture, UNESCO-recognised historic centre, and vibrant street culture. Its fortified old town, colourful facades, and centuries-old stone walls reflect its deep historical importance as a former Spanish port city.

Beyond heritage, the city has developed a dynamic hospitality and food scene. Modern restaurants, beach resorts, and boutique hotels are rapidly transforming Cartagena into a dual-purpose destination, blending historical tourism with luxury coastal travel. The increasing global recognition is expected to drive demand for direct air access, making United’s new route a timely addition.

Route Expansion Strengthens United’s Colombia Strategy

With the addition of Cartagena, United Airlines now strengthens its Colombian network alongside existing services to Bogotá and Medellín. The airline emphasises that the new route reflects its long-standing presence in the region, where it has operated for over three decades.

According to the airline’s network planning leadership, Colombia remains a core market within United’s Latin American strategy. The addition of Cartagena is intended to diversify travel options for US passengers, offering a new entry point into Colombia’s Caribbean coast while also strengthening inbound tourism flows.

The move also enhances United’s competitive positioning in both Texas and the Washington, D.C. region. The airline already operates more flights to Latin America from these hubs than any other US carrier, with Houston serving 57 destinations and Washington Dulles serving 18 destinations across the region.

Enhanced Passenger Experience on Boeing 737 Fleet

United will operate the new Cartagena service using its Boeing 737 aircraft, configured with upgraded onboard features designed to improve passenger comfort and connectivity.

Travellers will benefit from:

• Seatback entertainment screens at every seat
• Bluetooth-enabled personal device connectivity
• Larger overhead bins for increased luggage capacity
• Improved cabin design for smoother boarding and storage experience

Additionally, United is preparing to roll out Starlink-powered Wi-Fi across its fleet, which will be available free of charge for MileagePlus members in the future. This enhancement is part of the airline’s broader digital transformation strategy aimed at improving inflight connectivity and customer experience.

The combination of leisure-focused route expansion and upgraded aircraft interiors reflects United’s intent to compete strongly in the growing US–Latin America travel segment.

Flight Schedule Details for Cartagena Services

The new routes will operate on a consistent schedule, supporting both leisure and visiting friends and relatives (VFR) traffic between the United States and Colombia.

Washington Dulles (IAD) – Cartagena (CTG)

• Frequency: 4 times weekly (Tuesday, Thursday, Saturday, Sunday)
• Departure: 08:20
• Arrival: 13:10
• Aircraft: Boeing 737

Cartagena (CTG) – Washington Dulles (IAD)

• Frequency: 4 times weekly (Tuesday, Thursday, Saturday, Sunday)
• Departure: 16:00
• Arrival: 20:40
• Aircraft: Boeing 737

Houston (IAH) – Cartagena (CTG)

• Frequency: 4 times weekly (Tuesday, Thursday, Saturday, Sunday)
• Departure: 09:35
• Arrival: 14:50
• Aircraft: Boeing 737

Cartagena (CTG) – Houston (IAH)

• Frequency: 4 times weekly (Tuesday, Thursday, Saturday, Sunday)
• Departure: 14:20
• Arrival: 17:45
• Aircraft: Boeing 737

The consistent schedule structure is designed to facilitate smooth connections through both Houston and Washington Dulles, enabling passengers from across North America to access Cartagena via United’s wider domestic network.

Strengthening Connectivity Across North America and Colombia

The new Cartagena routes are expected to create strong connectivity benefits across United’s US hub system. From Houston and Washington Dulles alone, passengers will gain access to more than 70 domestic destinations, making Cartagena more accessible to travellers from across the United States.

This connectivity expansion is particularly significant for Colombia’s tourism sector, which continues to experience rising international demand. Cartagena’s inclusion in United’s network further enhances the city’s visibility in the North American leisure travel market.

The airline’s expansion also aligns with broader industry trends where carriers are increasing point-to-point leisure routes to high-demand coastal destinations, particularly in the Caribbean and northern South America.

Conclusion: A Strategic Move in a Competitive Latin American Market

United Airlines’ decision to launch direct flights to Cartagena from both Houston and Washington Dulles reflects a strategic response to rising demand for culturally rich and coastal leisure destinations. The move strengthens the airline’s leadership position in Latin American aviation while providing US travellers with a faster and more convenient gateway to one of Colombia’s most iconic cities.

United Airlines will launch nonstop flights from Houston (IAH) and Washington Dulles (IAD) to Cartagena, Colombia, starting December 17, responding to rising travel demand and expanding its Latin America network, with services operated on the Boeing 737 to improve year-round connectivity to the Caribbean destination.

United Airlines’ launch of nonstop services from Houston and Washington Dulles to Cartagena marks a strategic expansion of its Latin America network, strengthening year-round connectivity between the United States and one of Colombia’s fastest-growing coastal destinations. By introducing the route amid rising demand for Caribbean travel and deploying the Boeing 737 with upgraded onboard features, the airline is reinforcing its focus on passenger experience while supporting tourism flows, business links, and visiting friends-and-relatives travel, positioning Cartagena more firmly on the North American travel map.