Delta Air Lines has long maintained a strong presence in the Canadian market, serving key routes that connect major Canadian cities with vital U.S. hubs. These routes are essential to business and leisure travelers and facilitate economic, cultural, and social exchanges between the two countries. Using data from the airline, this article examines Delta’s top 10 busiest Canadian routes, highlighting their significance in the airline’s network and the broader North American aviation landscape. In addition, we will give you insights into why these destinations are so popular.
Delta Air Lines’ Top 10 busiest Canadian routes and why they matter
Chart: Delta Air Lines Flights to Canada | Victoria Agronsky | Simple Flying
1 Seattle (SEA) to Vancouver (YVR)
155 flights
Photo: CK Foto | Shutterstock
As the leading route in Delta’s Canadian network, with 155 scheduled flights, operating mainly Embraer 175 aircraft under the SkyWest brand in March 2025, the Seattle–Vancouver corridor is a crucial link between the Pacific Northwest and Western Canada. This short-haul route thrives due to several factors, such as:
Business and Trade : Vancouver and Seattle share deep economic ties, particularly in the technology and aerospace industries. Companies like Amazon, Microsoft, Starbucks, and Boeing have strong business connections with their Canadian counterparts.
: Vancouver and Seattle share deep economic ties, particularly in the technology and aerospace industries. Companies like Amazon, Microsoft, Starbucks, and Boeing have strong business connections with their Canadian counterparts. Tourism : Vancouver’s breathtaking landscapes, ski resorts, and vibrant city life make it a prime destination for travelers from the U.S. Meanwhile, Seattle is a prime option for a getaway trip for the residents of Vancouver.
: Vancouver’s breathtaking landscapes, ski resorts, and vibrant city life make it a prime destination for travelers from the U.S. Meanwhile, Seattle is a prime option for a getaway trip for the residents of Vancouver. Cruise Industry: Vancouver is also a key departure point for Pacific and Alaskan cruises, and many passengers fly in from Seattle to embark on their voyages from the biggest cruise port in Canada.
Skywest operates Delta Connection flights for Delta on SEA – YVR route.
2 New York LaGuardia (LGA) to Toronto Pearson (YYZ)
147 flights
New York City and Toronto are North America’s two major financial powerhouses, making this route one of Delta’s busiest. With 147 scheduled flights this month, LaGuardia Airport has an advantage over JFK due to its proximity to Manhattan and other important areas of NYC. Delta operates mainly CRJ-900 on this route. The reasons for traveling between these two hubs are the following:
Financial and Corporate Travel : Both cities are major financial hubs, housing banks, investment firms, and multinational corporations, driving significant demand, especially for business travelers.
: Both cities are major financial hubs, housing banks, investment firms, and multinational corporations, driving significant demand, especially for business travelers. Cultural Exchange : Both cities are North America’s most prominent cultural hubs and melting pots, and residents and foreign tourists who wish to visit both countries can frequently travel between them.
: Both cities are North America’s most prominent cultural hubs and melting pots, and residents and foreign tourists who wish to visit both countries can frequently travel between them. Tourism: Toronto’s attractions, including the CN Tower, nearby Niagara Falls, and a thriving arts scene, draw American visitors year-round. The same can be said about Canadian tourists visiting New York to see the best of the city that never sleeps.
3 Minneapolis (MSP) to Winnipeg (YWG)
115 flights
Minneapolis-St. Paul is another crucial hub for Delta, and its connection to Winnipeg Richardson International Airport is significant for many reasons, such as business, family visits, cross-border trade, and sport. This is the 3rd most popular destination in Canada for Delta, with 115 scheduled flights. Delta mainly operates Delta Connection Embraer 175 and if you are lucky, you might book a flight on a rare bird, which is Boeing 757-200. Here are the reasons why this connection is so popular:
Economic Ties: Winnipeg has a strong agricultural and manufacturing sector that interacts frequently with companies in Minnesota, driving business and corporate travelers in this sector.
Winnipeg has a strong agricultural and manufacturing sector that interacts frequently with companies in Minnesota, driving business and corporate travelers in this sector. Educational Institutions: The University of Winnipeg and the University of Minnesota have partnerships and student exchanges, including Manitoba—Minnesota Tuition Reciprocity, that drive academic travel between the two cities.
The University of Winnipeg and the University of Minnesota have partnerships and student exchanges, including Manitoba—Minnesota Tuition Reciprocity, that drive academic travel between the two cities. Sports and Events: Both cities are known for their strong hockey clubs and hockey culture, so the airline often transports fans of the Winnipeg Jets and the Minnesota Wild between these two cities.
Photo: Robin Guess I Shutterstock
4 New York JFK to Toronto Pearson (YYZ)
93 flights
Photo: sockagphoto | Shutterstock
John F. Kennedy International Airport (JFK) provides another vital link to Toronto. In March 2025, Delta operates approximately 93 flights on this route on CRJ-900, equating to three daily departures. Similar to the LaGuardia – Toronto route, JFK’s service provides added connectivity for international travelers.
International Connections : JFK is a primary gateway for transatlantic flights in North America, and Toronto-bound travelers often connect through this hub.
: JFK is a primary gateway for transatlantic flights in North America, and Toronto-bound travelers often connect through this hub. High-End Travel : Many corporate executives and high-net-worth individuals prefer JFK for premium services and international lounge access.
: Many corporate executives and high-net-worth individuals prefer JFK for premium services and international lounge access. Cultural and Entertainment Links: As two of North America’s largest media and arts hubs, there is frequent travel between cinema, music, fashion, and other high-end industries using these hubs.
Related What Are The Main Differences Between New York’s JFK & LaGuardia Airports? JFK and LGA both play vital but very different roles in serving the largest city in the US.
5 Detroit (DTW) to Toronto Pearson (YYZ)
90 flights
Photo: EQRoy | Shutterstock
Detroit and Toronto share a long-standing economic relationship, with this route serving as a vital business corridor with 90 monthly flights on CRJ-900. Some of the reasons contributing to the popularity of the route are:
Automotive Industry : As Detroit is home to the
Delta Air Lines’ Top 10 Busiest Canadian Routes
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