Call ahead before heading to the airport. The busiest travel week of the summer is off to a bumpy ride.  

More passengers could get stuck at San Francisco International Airport. Delays and cancellations have been in the double digits and the numbers are even higher for planes arriving.  

The problems span nationwide due to weather and staffing shortages. Officials say to prepare now for the holiday weekend.

If you decided to hit the road instead of the air, keep it on KSFO and KSFO.com for the latest traffic updates.