Al Qaeda doesn't have any territory on the Israeli border and Israeli security is far too tight to 9/11 them. When Al Qaeda tried to open up for business in Gaza they were quickly stomped out by Hamas. They're in the Sinai, but aside from being tied up resisting the Egyptian military it's not a position to strike Israel from unless they can get their foot in the door in Gaza.
They're crunched on by the Lebanese government whenever they try to get to work there, but even in Lebanon they're cut off from Israel by... Hezbollah and its hearty chunk of Southern Shia land.
Aside from drawing recruits and support from Jordan, they don't control anything there. Jordan is so on top of its AQ threat that other governments send their AQ prisoners there to be tortured.
In Zawahiri's vision, AQ has to do what they can to ensure that the US and other Western powers don't intervene too much to prevent the fall of their puppet regimes in the Arab and wider Muslim world. That's the point of operations in Madrid, London, Manhattan, etc in addition to targeting Western agencies in the Muslim world; soldiers, diplomats, companies and so on. Without the diplomats Western governments can't keep control of their proxy governments in the Muslim world, without the Western military presence they can't protect their puppets, and without the companies the West has no incentive to do so in the first place.
When these puppet regimes come tumbling down as a result of riots, military defections, coups, or just getting replaced by their old masters from abroad as Saddam did... Al Qaeda seizes whatever ungoverned territory there it can, opens courts, and has itself a little Emirate.
With enough resilience these Emirates will stay open, cross borders, spread, link up in much the same way the Red Territories spread like disparate rashes across China. Capitals and major cities will be the last to fall. But with whole swaths of countryside under the administration of Salafi guerrillas they too will fall as caravans of Muj pour in, black banners waving.
When the Saudi government comes down to its zealous Salafi dissidents, it will mark the end of American power (in the region) and so too its Israeli parasite.