Are you still going to Alaska? I believe that edible cannabis, cannabis extracts, and cannabis topicals are now legal in Canada, however, it is still illegal to transport cannabis across the Canadian border.
And of course cannabis is still illegal under US Federal law which includes flying.
Only you can determine your risk profile. You probably won't be profiled as a drug mule but there is always a chance of being selected for random search.
Life is a series of risk and rewards. Only you can determine if the reward is worth the risk. At this point in my life, I prefer lower-risk activities rather than higher-risk activities. I would seek a prescription for a sleeping aid from my physician.
"Can dogs distinguish the scent of marijuana through a sealed, airtight jar?
In conclusion, dogs can detect the scent of marijuana through a sealed, airtight jar, but only under specific conditions. If the jar is not completely airtight, the dog will likely smell the scent on the outside of the container. "
Dogs' Sensitive Noses Detect Weed Through Sealed Jars | PetShun