All feasible until the juncture when mckay gets the flight taken off the Volcano after that moment as an audience one feels overfed with the impractical action dose.
And not to overlook the the poor violated laws of Aerodynamics !
Passenger Switching to other flight from the cargo plane Depicted more as Typical Tarzan leap from an Avocado tree to a diminutive papaya tree ?!
It was better of for shooting the scene on two Ordinary cars rather than one Airliner and one cargo .
If you are watching the very movie make sure not to grab any cup of your hot coffee on your cozy couch .
Movie upholsters to a twisted and bumpy reality and one may end up splashing the coffee and the very basic sense all over