BA to fly A380s to Washington, Dreamliners to Philly

don't know if it's a limitation but, I see Qantas 380's using 24L at LAX

Normally, the requirement is for a 200' wide runway. That said, FAA has Engineering Briefs for both the A380 (EB65A) and B748 (EB74A) that allow operations on a 150' wide runway as long as there are 50' stabilized shoulders. Airports that have routine service can apply for a Modification of Standard. Those of us that are simply listed as alternates have no specific requirements. The airline must work with the FAA and the airport to ensure it can operate safely. There are several other airfield considerations before even looking at the terminal capabilities.

Air France has served IAD with the 380 for awhile now-- IAD went through runway upgrades before the 380 service started.

Not sure about the turnstile; haven't heard that one, but I do know that is why they are restricted in a lot of places, because of room and gate accomodations.

Preacher has a good point but it is not the aircraft but the terminal's ability to process an A380.....500 off and 500 on, within a potential 90 minute turnaround.

If the station staff cannot process a regular processing of up to 1000 passengers each time a A380 turns up then it matters not a jot if the airfield can deal with the airframe. Turntables were designed for locomotives and it was a very simple solution to a problem of that time however a A380 does NOT have several A319's in tow does it?