The bridges and airport were supposed to be closed down because of the hurricane which was "coming" to Vice City. So how did Lance fly in? And why is the airport so busy if it's closed down?
BTW what is the name of the hurricane. I remember in VC it was "Hurricane Hermione." --- "This is Vice City...This is business." - Lance Vance - VC "I sold you out...I sold you out Tommy!" - Lance Vance - VC
Seriously, most airports do remain open even when a hurricane is heading toward the city, unless it is a direct hit or unless the weather condition is too extreme for takeoffs and landings. So I don't think it is a problem to the plot at all.