The landscape of transatlantic air cargo and passenger travel is set for a shake-up this spring as two major airlines announce significant changes to their London Heathrow operations. IAG Cargo, the cargo division of International Airlines Group, is launching a new direct route between London Heathrow and St. Louis, Missouri, marking its 27th U.S. destination and the only nonstop link between the UK’s busiest airport and this key Midwest hub. Meanwhile, Saudia, the flag carrier of Saudi Arabia, has decided to suspend its recently relaunched route between Dammam and London Heathrow after just over five months of service, citing low passenger numbers as a likely factor behind the move.
Starting April 19, 2026, IAG Cargo’s new service will connect London Heathrow and St. Louis four times a week through October, offering the only direct air bridge between the two cities. According to Container News, this route is expected to strengthen access for manufacturing and aerospace supply chains, as St. Louis is a significant hub for both industries. The move is part of IAG Cargo’s newly unveiled summer schedule, which aims to provide freight forwarders with greater flexibility and capacity across major global trade lanes.
IAG Cargo isn’t stopping at St. Louis. The airline is ramping up frequencies on several key North American routes. Flights from Heathrow to Chicago and Washington Dulles International Airport will increase from 14 to 21 per week, while services to Austin and San Diego will double to 14 weekly flights. Across the Atlantic, the carrier is also adding widebody capacity between Heathrow and Madrid, enhancing transatlantic connections. Madrid will see the return of services to San Francisco, offering more options for shippers and travelers alike.
The company’s ambitions stretch even further. In Asia, flights between Heathrow and Tokyo Haneda Airport will increase to twice daily, a move that Container News notes will strengthen Europe–Asia connectivity. Canada is also in focus, with flights between Heathrow and Vancouver set to rise to 14 weekly during the peak summer season, complemented by a new daily service from London Gatwick Airport. These expansions are all part of IAG Cargo’s strategy to give freight forwarders more capacity and route options as global trade continues to rebound.
While IAG Cargo is adding new connections, Saudia is making a strategic retreat from one of its international corridors. As reported by Simple Flying, Saudia will suspend its London Heathrow to King Fahd International Airport (Dammam) route as of April 18, 2026. The route, which only began operating on November 5, 2025, used Boeing 787-9 Dreamliner aircraft and offered three flights per week. Despite Dammam’s status as a major airport by size, the route struggled to attract passengers, with load factors averaging just 49.5% in November and December 2025, according to data from the UK Civil Aviation Authority (CAA). Only 4,424 passengers traveled on the route during those two months, out of 8,940 available seats, suggesting the service was likely operating at a loss.
The Dammam–London link had been relaunched in November 2025 after a hiatus since 2010, joining Jeddah, Medina, Neom Bay, and Riyadh as Saudi cities with direct connections to London. At the time, this marked a record for the number of Saudi cities served from Heathrow. But the low load factors proved unsustainable, and Saudia has opted to redeploy the valuable Heathrow slots elsewhere. According to Simple Flying, the three weekly slots freed up by the Dammam suspension will be used to boost Saudia’s London–Jeddah service from 11 to 14 weekly rotations, restoring it to two daily flights. This move underlines the relative importance and profitability of the Jeddah route compared to Dammam.
Saudia’s Boeing 787-9 Dreamliners, which have 274 economy and 24 business class seats, are among the airline’s newer fleet members, with an average age of 9.2 years. The carrier currently operates 13 of these widebody jets, with another 18 on order, according to ch-aviation. The redeployment of these aircraft to the Jeddah route is a strategic decision, as Heathrow’s slot-controlled environment makes every takeoff and landing opportunity a precious commodity.
The contrasting fortunes of IAG Cargo and Saudia at Heathrow reflect broader trends in the global aviation industry. As airlines continue to adapt to shifting demand patterns, the ability to quickly reallocate resources—whether it’s adding new routes or suspending underperforming ones—has become critical. For IAG Cargo, the addition of St. Louis and the ramp-up in frequencies across North America, Europe, and Asia signal confidence in the resilience of air freight and passenger demand. The airline’s focus on manufacturing and aerospace supply chains, particularly in the Midwest, positions it to capture a slice of the expected growth in these sectors as economic activity rebounds.
For Saudia, the decision to cut the Dammam–London route after just a few months highlights the challenges airlines face in launching and sustaining new long-haul services. While the initial expansion brought a record number of Saudi cities onto the Heathrow map, the reality of low passenger numbers forced a strategic rethink. By shifting capacity back to the Jeddah route, Saudia is doubling down on a corridor with proven demand and higher yields.
The timing of these changes is no coincidence. Both announcements come as airlines finalize their summer 2026 schedules, a crucial period for transatlantic travel and cargo flows. With global supply chains still recovering from years of disruption, the ability to offer reliable, frequent connections is more important than ever. IAG Cargo’s expanded schedule, which includes increased capacity to Madrid, Tokyo, Vancouver, and more, is designed to give freight forwarders and shippers the flexibility they need to navigate an uncertain world. As Container News points out, the airline’s strategy is all about providing “more flexibility and capacity across major global trade lanes.”
Meanwhile, Saudia’s move to concentrate its Heathrow operations on Jeddah underscores the ongoing competition for limited airport slots and the need to prioritize routes that deliver the strongest returns. As Simple Flying notes, Heathrow is “heavily constrained by its slot-controlled operations,” making every slot a valuable asset. By reallocating its resources, Saudia is positioning itself to maximize the value of its Heathrow presence, even as it steps back from less successful ventures.
For passengers and shippers, these changes mean more options in some markets and fewer in others. Those looking to travel or ship goods between London and St. Louis will soon have a direct link, while travelers between London and Dammam will need to connect via other hubs. The constant evolution of airline schedules is a reminder that the aviation industry is always in motion, responding to the ebb and flow of demand, competition, and global events.
As the summer travel season approaches, all eyes will be on how these new routes and frequencies perform—and whether other airlines follow suit in reshaping their networks. For now, the addition of St. Louis to IAG Cargo’s map and the redeployment of Saudia’s capacity to Jeddah stand as the latest examples of an industry in flux, adapting to the challenges and opportunities of a rapidly changing world.