3:23 PM: More than 50 flights have been cancelled and dozens more are delayed at San Francisco International Airport today as heavy rain continues to blanket the area, airport personnel are reporting.

Rainy conditions have prompted the cancellation of 59 flights to and from the airport, and dozens of delays ranging from 30 to 90 minutes, according to airport duty manager Joe Walsh.

The inclement weather prompted the Federal Aviation Administration to call for a ground delay program at the airport that is expected to last through midnight.

Travelers are encouraged to check with their airlines before heading to the airport.

9:36 AM: San Francisco International Airport is facing flight delays due to rainy conditions this morning, according to airport personnel.

Delays were affecting both arriving and departing flights and ranged from about 15 minutes to an hour as of 8:45 a.m., an airport duty manager said.

Flight delays could increase as the day goes on depending on the weather, he said.

Travelers are encouraged to check with their airlines before heading to the airport.

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