Research reference only. Ottawa Macdonald-Cartier International Airport: A 2026-11-01 search excerpt describes this selected transport topic: O-Train Line 4 connects Airport Station and South Keys Station, and the station is connected to the 3rd floor of the terminal. Check the full linked source before using it on a trip.
What the source notes say
These selected notes are dated 2026-11-01. A search excerpt is useful for finding the relevant operator page, but it may miss a condition or later notice. Treat this page as a lead to the linked provider, not as a verified pickup instruction.
- Train or rail: O-Train Line 4 connects Airport Station and South Keys Station, and the station is connected to the 3rd floor of the terminal.Search excerpt from the linked source; open the full page to confirm · checked 2026-11-01 · yow.ca ↗
- Bus or coach: Number 105 is boarding and disembarking at the departure road on the 3rd floor of the terminal, and is provided in the airport information at 24-hour and 30-minute intervals.Search excerpt from the linked source; open the full page to confirm · checked 2026-11-01 · yow.ca ↗
- Service notice: The direction of the station connection is different from north end on the current traffic page to south end on the 2025-01-06 opening notice, so it is necessary to check the on-site sign for the exact direction.Search excerpt from the linked source; open the full page to confirm · checked 2026-11-01 · yow.ca ↗ · yow.ca ↗
Routes and pickup details
Match the direction and service to your actual trip. A route record may also describe a suspended or temporary service. A blank field below is unknown; it isn’t a free fare, unrestricted path or confirmed stop.
YOW → South Keys
| From | YOW |
|---|---|
| To | South Keys |
| Service | rail |
| Boarding point | Airport station, terminal Level 3 connection |
| Getting off | Not established in this source note |
| Security area | Not established in this source note |
| Conditions | O-Train Line 4 |
Evidence: search excerpt; full page needs checking. The record doesn't establish a safe flight connection or travel-day operation. yow.ca ↗
What you still need to check
- The north/south representation of the 3rd floor station connection differs between official sources, so the direction isn't confirmed.
- Train operation times are different from the opening notice and general transportation page, so check with OC Transpo on the day.
Confirm the operating airline, travel date, current terminal and live service with the linked operators. This page can't decide entry rules, baggage handling, accessibility or a minimum connection time.
Sources and date
The 2026-11-01 enriched research package contains selected source notes. Many are based on search excerpts rather than a current full-page review; the evidence method is shown beside each fact. Check the linked operator before travel. English wording was translated from the supplied research.