I've been using electronic boarding passes for some time on trans-border flights with UA and Delta, but they haven't been available on AC. I just did OLCI for a flight tomorrow, and was given the following options: Mobile Boarding Pass Fly paperless and help the environment by choosing to receive your electronic boarding pass on your internet enabled mobile device, in lieu of receiving a printable boarding pass. An Air Canada Electronic Boarding Pass is a 2D barcode image that is sent to your mobile device and contains all of your flight details. Would you want to take advantage of this feature? Yes, I would like to receive an electronic boarding pass on my mobile device via email. Yes, I would like to receive an electronic boarding pass on my mobile device via SMS/text message. No, I will have the regular Web Check-in boarding pass. ___________________________________________- Unfortunately, boarding passes need still need to be printed at the airport to enable TSA Pre.
This is airport by airport. NRT and HND offer this, and I believe YYZ does as well for international flights (transborder requires US immigration stamping the boarding pass which is incompatible with modern technology).