SAN DIEGO (CBSLA.com) — Thick fog has prompted a handful of delays and cancellations at San Diego International Airport.

At least a dozen flights were diverted to LAX and Ontario Airport late Thursday night due to the limited visibility.

READ MORE: Police Identify Homeless Man Arrested In Palisades Fire

Jet Blue also confirms two flights from New York City’s John F. Kennedy International Airport were diverted to Long Beach Airport and LAX.

Dozens more delays and cancellations were reported Friday, as a dense fog advisory remained in place for parts of San Diego, Orange and Los Angeles counties.

READ MORE: Sole Folks: One-Of-A-Kind Leimert Park Cooperative Provides Home, Platform For Talented Black Artists

Passengers at LAX were also experiencing delays and cancellations due to winter storm Hercules, which is wreaking havoc on the East Coast.

Travelers were advised to check the statuses of their flights before heading to the airport.

MORE NEWS: LAPD Investigating Sexual Abuse Allegations Against Rapper T.I., Wife

For more information, visit Flight Aware.