Porter Airlines Launches Toronto to Chicago Route
The carrier is now operating twice daily flights between Billy Bishop Toronto City Airport and Chicago O'Hare.
Updated on Oct. 26, 2026 in Air Travel
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Porter Airlines has officially launched a new twice daily flight service connecting Billy Bishop Toronto City Airport and Chicago O'Hare International Airport. Passengers traveling on this route can now utilize U.S. CBP Preclearance facilities located directly at the Toronto airport.
Why it matters
This route expansion provides travelers with improved access to American Airlines codeshare connections at Chicago O'Hare. The service utilizes 78-seat De Havilland Dash 8-400 aircraft, strengthening regional connectivity for North American passengers.
Flights depart Toronto at 10:10 a.m. and arrive in Chicago at 11:05 a.m., with return flights departing Chicago at 11:45 a.m. to arrive in Toronto at 2:25 p.m. The service uses 78-seat De Havilland Dash 8-400 aircraft.
The players
Porter Airlines
This regional airline is headquartered in Toronto and primarily operates out of Billy Bishop Toronto City Airport.
American Airlines
This major global carrier provides the codeshare partnership network that supports the new route connections.
The details
The service is supported by a partnership with American Airlines to facilitate connecting itineraries for travelers. Porter Airlines is also updating its entire fleet with new TiSeat 2V Lite seats, which include personal electronic device holders, updated table trays, and LED cabin lighting.
Timeline
Porter Airlines first launched U.S. flights from Billy Bishop in 2008.
The full fleet interior upgrade is scheduled for completion in the fall of 2026.
Travel Outlook
This route expansion follows the implementation of the U.S. CBP Preclearance program at Billy Bishop Toronto City Airport to streamline international entry. The move reflects broader trends in regional airline partnerships that aim to increase connectivity through established hub airports like Chicago O'Hare.
Travelers can now book itineraries that take advantage of U.S. CBP Preclearance in Toronto to arrive at Chicago O'Hare as domestic passengers. Those flying this route can also look forward to upgraded cabin amenities including new seats and improved device storage as the fleet conversion continues.
The takeaway
Travelers seeking to minimize time spent at border checkpoints may benefit from utilizing preclearance services at departure airports. Checking specific cabin amenity updates before booking can help passengers confirm if their flight features the latest aircraft interior upgrades.
What happens next
The full fleet interior upgrade project is scheduled to be completed by the fall of 2026.
Further reading
For more information on current industry developments, visit the Air Travel section.
More information
For booking information and flight details, visit the Porter Airlines booking and information.
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Would you choose a flight based on the availability of downtown-to-downtown airport service?
