We do this whenever our dog is in the car. This is nowhere near as good as what we have for human passengers. One of the reasons is that dogs hate to be restrai

We do this whenever our dog is in the car. This is nowhere near as good as what we have for human passengers. One of the reasons is that dogs hate to be restrained. So there's a leash. In case of a frontal collision, this would prevent her from flying out of the window. In the case of the car itself flying, and possibly tumbling on impact, I don't think the odds would be that good, as the dog would likely impact against hard surfaces. Or other passengers. That's maybe the least of the problems though, if the car's structural integrity is compromised...