By contrast, its busiest domestic link between Montreal and Toronto is modest in size, with 125 monthly flights but significantly fewer ASMs than the long-haul network.
Busiest Routes
The busiest international route in Porter’s international portfolio is the high-frequency shuttle between New York LaGuardia (LGA) and Toronto Pearson (YYZ).
Here’s the top 10 domestic revenue-generating routes for major U.S. airlines, using Q1 2025 data derived from the U.S. Department of Transportation’s DB1B dataset.
Turkish Airlines (TK) faces mounting challenges in 2025, with operational hurdles and fleet constraints impacting its Istanbul-based operations.
India’s busiest international routes weave a complex narrative of tourism, labor migration, business ties, and strong diaspora demand.
The busiest US airline route in March 2025 is Denver – Phoenix, offering 330,780 seats.
easyJet (U2) top 20 busiest routes analysis reveals significant market dynamics across its European network, with London featuring prominently as a key hub.
Thai AirAsia (FD), Thailand’s leading low-cost carrier, operates an extensive network with Bangkok (BKK) serving as its primary hub for both domestic and international connections.
Here’s a detailed look at the top 10 busiest domestic air routes in Southeast Asia, based on total seat capacity.
Let’s explore the busiest routes of December in detail, examining their daily movements, major carriers, and the reasons behind their popularity.