Holiday travel expected to be busiest in 10 years

SAN JOSE, Calif. (KGO) -- More than 140,000,000 Americans are expected to travel in the next few days, the most in more than a decade.

Nearly a third of them will fly. Bay Area airports, like Mineta San Jose International, expect big crowds.

Airlines suggest you arrive 90 minutes before domestic flights and two hours before flights to Hawaii or international destinations.

"More people are traveling with more bags. They're traveling with cold weather gear and they're traveling with holiday food and gifts. Certainly they're checking more bags and that leads to longer lines at airline check in counters as well as at the security checkpoints," said Rosemary Barnes, a spokesperson with Mineta International.

Drivers in Colorado already face snow and slippery roads.

Forecasters believe millions on the East Coast will encounter similar conditions by mid-week, which could lead to flight delays and cancellations.

San Francisco International has cancelled 59 total flights on Monday in part because of weather.