This isn't the 1950s anymore. The Cockatrice
if you've seen any modern live footage of situations where large groups of people are in danger, it is instant chaos. People trampling over others, pushing, shoving, fighting, etc.
So this theoretical wouldn't even matter, because it will come down to two things: Those who survive and those who don't. All rules are off.
Traveling as a single guy, I believe that's what I would do...but if I had my family onboard, I'd grab them and go full Costanza out of there. Eff them other kids and women.