Air Canada City Shuttle operates 37 trips daily between the Palais des congrès de Montréal (1001 Place Jean-Paul-Riopelle) and YUL airport, in both directions.
- From downtown: every 15 minutes at peak travel times (4:45–6:30 a.m.), then every 30 minutes until 9:30 p.m.
- From the airport: every 15 minutes at peak travel times (5:15–6:45 a.m.), then every 30 minutes until 10:00 p.m.