>> reporter: boat after boat shuttling trapped residents to higher ground. >> we're down to one lane and then some. >> reporter: up to four inches of rain swamping philadelphia area highways. crews now racing to clear mud and debris from the schuylkill expressway. heavy rain deluging the region all weekend. >> oh, my god. >> reporter: more than a dozen vehicles from a little falls, new jersey, dealership, hurled down a creek into a bridge, one by one, like bath toys. and at jfk airport in new york, a back flow of rainwater turning baggage claim into old faithful. more than 1,000 flights canceled tonight nationwide. >> and erielle reshef joins us live tonight from tremont, pennsylvania. and erielle, this is just the latest round of punishing rain for that community. >> reporter: that's right, david. residents many this area tell me this is the third time in three weeks that floodwaters have crushed their area. the homeowner here tells us it took just minutes for those