Originally Posted by
Adam Smith
AC is sometimes overly aggressive in re-booking, and for someone with NEXUS, it may be possible to get back on an earlier flight, but I would revert back to cow's earlier comments - a concierge isn't needed to the re-booking, and the MLL or any other agent can probably get it done more quickly than trying to track down a concierge.
Theoretically possible, but I would never count on it, especially at YYZ.
The other thing to consider is whether you have any checked bags - will you? If you don't, it will be a lot easier to move things around.
No checked bags, so I should be quite easy to rebook, or re-rebook as the case may be.