There's always some risk, though the level is definitely reducing as airport systems get better at handling the edge cases. But even taking into account the im

There's always some risk, though the level is definitely reducing as airport systems get better at handling the edge cases. But even taking into account the improvements there, there's still a bunch of sleep deprived humans at the end of your 12 hour redeye who are happy to take your bag if it looks a bit like theirs (this happened to me even though I covered my bag in unique stuff...)