saaings expects 99 million americans to hilt the road, making this the busiest travel season since theytarted keeping track. analysts say low gas prices and the improving economy have helped the trend. there's been a slight uptick in air travel, up 1% from last year. >> a large number of travelers may face problems thanks to a major storm system getting underway. >> 99 million travelers, how many of them are going to run into weather? >> if it's rain, it's going to slow you down, but you'll still get there. i'm more worried about the air travels, because they have to space out the flights more. the flights are packed, so it's a widespread system. look at how much territory this covers, snow on the backside, a marinaro corridor, most of this, temperatures running above average, so the majority of this is a rainstorm versus a snowstorm, but you can see storms in the south. between new york and philadelphia, starting to see delays. we can see storms firing up in the southern tear. as the front comes in, that's a triggering point, plenty of gulf moisture helping to feed into this and this a