The UP Express opened in 2015 as Canada's first dedicated airport rail link, running a continuous 25-minute route between Pearson International and Union Station along a 23-kilometer corridor through Toronto's northwest industrial belt.
Its diesel multiple-unit trains replaced a decades-old gap in the city's transit infrastructure that forced travelers onto congested highways or into expensive taxi queues. The line carries more than five million passengers annually, operating on a dedicated track that bypasses freight and commuter rail congestion.
The service emerged from Toronto's 2008 Olympic bid infrastructure planning, though the city never hosted the games. Engineering teams laid new track parallel to the existing Georgetown rail corridor, installing level-boarding platforms and real-time arrival systems modeled on European airport express standards. Each three-car trainset seats 173 passengers and includes luggage racks scaled for international baggage dimensions, USB charging ports, and Wi-Fi connectivity maintained through cellular repeaters along the route.
Union Station's UP Express platform occupies the southwest corner of the terminal building, a dedicated space separate from GO Transit and VIA Rail operations. The station's limestone exterior dates to 1927, but the UP concourse opened in 2015 with self-service kiosks, staffed ticket counters, and direct elevator access to the subway mezzanine below. Trains depart every fifteen minutes during operational hours, running from 5:30 AM to 1:00 AM daily. Peak-period headways match airport arrival patterns, with service frequency adjusted for morning departure waves and evening international arrivals.
Pearson's Terminal 1 station sits at the end of Link Train Pier F, requiring a brief automated shuttle ride from the main terminal building. Terminal 3 passengers walk directly to the platform via an enclosed corridor on the arrivals level. Both stations feature weather-protected waiting areas, real-time departure boards, and step-free access designed to accommodate rolling luggage and mobility devices. The adult one-way fare stands at 12.35 CAD as of 2026, with contactless payment accepted at platform validators and onboard via Presto card readers.
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