Air Canada is redrawing part of its U.S. network for 2027, removing five cross-border routes as Canadian travel south of the border remains well below levels seen two years ago. The changes affect flights from Toronto, Montreal and Vancouver to Boston, Charleston, Nashville, Raleigh-Durham and Seattle.
The pullback is selective rather than a broad retreat from the United States. Air Canada is simultaneously adding other American destinations and expanding its partnership with United Airlines. Still, the cuts illustrate how quickly airlines are adjusting capacity as travel habits change. Canadian trips to the U.S. have recently begun recovering from their 2025 lows, but September 2026 air travel remained 18.7% below September 2024 levels. Air Canada says the route changes were made for commercial reasons as it aligns capacity with customer demand and travel patterns.
Toronto Billy Bishop–Boston: A Major Expansion Gets Cut Short
The most striking cancellation may be Air Canada’s service between Billy Bishop Toronto City Airport and Boston because the route is barely a few months old. Air Canada launched the connection on July 1, 2026, as part of what it had described as its most significant expansion at Toronto Island in decades. The airline scheduled as many as three round trips a day using 78-seat De Havilland Dash 8-400 aircraft, giving downtown Toronto travellers another option for reaching one of the most important business and academic centres in the northeastern United States. The service was introduced alongside new Air Canada flights from Billy Bishop to New York LaGuardia, Chicago O’Hare and Washington Dulles. Instead of continuing into 2027 as originally envisioned, however, the Boston service is now scheduled to end in early December 2026, with published schedule data showing a December 1 cancellation.
For passengers, the cut does not mean Boston disappears from Air Canada’s network. The airline will continue serving Boston from Toronto Pearson, Montreal and Halifax. What disappears is the convenience of flying directly from Toronto’s downtown airport, which can matter substantially for business travellers trying to avoid the longer trip to Pearson. The short life of the route also demonstrates how quickly airline network plans can change. When Air Canada announced its Billy Bishop expansion, Boston was part of an ambitious effort to capture more transborder demand from central Toronto. Less than half a year after launch, that particular experiment is being wound down. The timing also coincides with a cross-border market that is improving from its 2025 lows but remains far below 2024 travel volumes, creating a tougher environment for newer routes that have not had years to build a loyal passenger base.
Toronto Pearson–Charleston: Air Canada Is Leaving South Carolina
The Toronto Pearson–Charleston cancellation carries a different significance: it removes Air Canada’s only service to South Carolina. The airline launched the route in March 2024, initially announcing daily, year-round flights between Pearson and Charleston International Airport. At the time, Charleston officials portrayed the connection as an important new link with Canada, historically one of the region’s major international visitor markets. The route also gave Canadians easier access to South Carolina’s coastal tourism economy without connecting through another U.S. airport. By 2026, however, the service had already been substantially reduced. Aviation schedule analysis cited by travel-industry publications shows Toronto–Charleston departures falling from roughly 200 in 2024 to 92 in 2026. Daily Embraer E175 service had been scheduled to return in April 2027, but those flights have now been removed.
South Carolina also provides one of the clearest examples of how dramatically Canadian travel patterns have shifted, although statewide tourism data should not be confused with demand for one specific airline route. University of Toronto School of Cities researchers examining anonymized mobile-device activity found Canadian visits to the Myrtle Beach metropolitan area dropped roughly 65% between April 2024–March 2025 and April 2025–March 2026, the sharpest decline among the U.S. metropolitan areas analyzed. Myrtle Beach and Charleston are separate markets, but the scale of the decline illustrates the difficult tourism backdrop facing destinations that traditionally relied heavily on Canadian winter and leisure visitors. For travellers who had grown accustomed to reaching South Carolina directly from Toronto, the cancellation now means looking at connecting itineraries or other airlines. Unlike the other four destinations affected by Air Canada’s latest cuts, Charleston will not simply remain available through another Air Canada Canadian gateway.
Vancouver–Nashville: Western Canada Loses Its Nonstop Link to Music City
Air Canada’s Vancouver–Nashville service is another relatively young route being removed before it has had much time to mature. The airline introduced the seasonal connection in May 2025 as part of a larger expansion of its Vancouver transborder network. It was designed to operate with Boeing 737 MAX 8 aircraft, with service reaching four flights per week during parts of the summer schedule. The route linked British Columbia directly with one of the fastest-growing leisure destinations in the United States, where Nashville’s live music scene, conventions, professional sports and entertainment industry have helped turn the city into a major visitor market. Air Canada had planned to bring the nonstop back in May 2027 with four weekly flights. Those flights have now been removed from the schedule as part of the latest commercial review.
The cancellation does not represent an Air Canada exit from Nashville. Travellers will still be able to reach the city on Air Canada flights from Toronto and Montreal, and Vancouver passengers can connect through the airline’s broader network. What changes is the value of the trip for people specifically seeking a nonstop from Western Canada. A direct flight can make the difference between a relatively simple leisure getaway and an itinerary requiring several additional hours in transit. The Nashville decision also helps illustrate why the five cancellations should not be interpreted as Air Canada abandoning the U.S. market. The carrier is reallocating aircraft rather than simply removing cross-border capacity everywhere. For summer 2027, Air Canada is adding Toronto–Louisville, Montreal–Indianapolis and Edmonton–Newark service while increasing capacity on Edmonton–San Francisco. Routes with stronger strategic value, connecting opportunities or projected demand are gaining capacity even while other city pairs disappear.
Vancouver–Raleigh-Durham: A Promising New Route Was Already Losing Capacity
The Vancouver–Raleigh-Durham route had an especially compelling business case when it launched in June 2025. Raleigh-Durham International Airport described Vancouver as its top unserved international destination in the Americas, and the nonstop created the first direct air link between North Carolina’s Research Triangle and Western Canada. Air Canada operated the seasonal service three times per week with a Boeing 737 MAX, offering 16 business-class and 153 economy seats. Beyond tourism, the route provided passengers in Raleigh, Durham and the surrounding technology and research corridor with access to Vancouver and onward connections to destinations in Asia. For British Columbia travellers, it offered a direct gateway into one of the fastest-growing economic regions in the southeastern United States. Air Canada had planned another three-weekly-flight season beginning in May 2027, but that return has now been cancelled.
There were signs before the final decision that the route was struggling to maintain its original scale. Aviation schedule data cited by industry publications showed Vancouver–Raleigh-Durham departures falling approximately 27% in 2026 compared with 2025, while available seats declined about 34%. Reports from North Carolina also indicated the 2026 seasonal operation ended earlier than initially expected. Air Canada has said it reviews opportunities regularly, leaving open the possibility that markets such as Raleigh-Durham could eventually return if conditions become more attractive. The city itself is not disappearing from the airline’s network: Air Canada continues to connect Raleigh-Durham with Toronto and Montreal. That makes the Vancouver cut less a rejection of North Carolina than a reassessment of whether enough passengers currently want a long transcontinental Canada-U.S. nonstop to justify dedicating a Boeing 737 to it during the summer season.
Montreal–Seattle: A Route That Survived the Pandemic Now Disappears Again
Montreal–Seattle is the oldest of the five affected city pairs and has experienced several changes since it was introduced. Air Canada launched the nonstop in June 2022 following a pandemic-related delay, initially operating daily year-round service with an Airbus A220-300. Seattle airport officials promoted the connection as a link between two major aerospace and technology centres, while Montreal’s Air Canada hub gave Seattle-area passengers convenient connections to Eastern Canada and Europe. The route was particularly notable because the A220 provided a relatively small mainline aircraft suited to longer, thinner markets. By 2026, however, Air Canada had already removed its planned Montreal–Seattle summer operation. Before that cancellation, the carrier had scheduled six weekly A220 flights beginning in May 2026 and daily service later in the season. A daily return was then planned for May 2027 before being removed in the latest schedule revision.
Seattle will remain well connected to Air Canada despite Montreal losing its nonstop. The airline will continue serving the Seattle market from Vancouver and Toronto, giving Montreal passengers connecting options. The decision therefore looks less like an abandonment of Seattle than a consolidation of traffic through routes capable of supporting stronger volumes. That distinction matters when assessing Air Canada’s broader U.S. strategy. The carrier and United Airlines announced in October that they were expanding their transborder cooperation, with Air Canada adding Louisville from Toronto, Indianapolis from Montreal and Newark from Edmonton for 2027. Statistics Canada’s latest numbers also show why airlines are balancing optimism with caution. Canadian return trips from the United States rose 6.8% year over year in September 2026, marking a sixth consecutive month of growth. Air trips alone increased 11.6% from September 2025. Yet those same air volumes remained 18.7% below September 2024, while automobile trips were still 31.1% lower. The recovery is real, but so is the sizeable gap that remains.