Luckily they had out of date blueprints that didn't show the extra support that was added. And so they didn't kill many people despite much better timing than 9/11.
9/11 would have been much worse had it been when the stock market was open rather than both attacks before it opened and 1 before 9. And deaths wouldn't have scaled linearly. If there are 20k-25k in each tower instead of the 7k-8k that were there, the staircases would have been really clogged. So instead of killing maybe 20% of 15k, they might kill 40% of 40k+, so several times the deaths. Each tower should have had 6 staircases, but the Port Authority exempted itself from regulations and built only 3.
It’s crazy to me they put in all that effort for the attack but missed this point. An hour later and the death toll is at least doubled. And if the first plane hit lower on the building - the collapse would’ve been way sooner
The only logic I can think of regarding the time was that they weren’t sure they could skate past security so they took off early in the morning where there is less security - that’s also why they flew from Portland Maine to Boston on a connecting flight. Assuming security would be leased at a throw away airport like Portland - because you don’t have to go through security again on most connecting flights
