SUMMA Essentials

The San Diego Union-Tribune Bias and Reliability Overview

The San Diego Union-Tribune is a daily newspaper based in San Diego, California. Founded in 1868 as the San Diego Union, it combined with the San Diego Evening Tribune in 1992. The newspaper was privately owned for 146 years until it was sold to Tribune Publishing Company in 2015. In 2018 the Union-Tribune was sold to Dr. Patrick Soon-Shiong, a biotech entrepreneur. The newspaper has won four Pulitzer Prizes. The company also publishes a weekly entertainment guide, a lifestyle magazine, a Spanish-language weekly and nine community newspapers. The newspaper’s average daily circulation is approximately 87,000, while the website records 4.4 million visits per month. Ad Fontes Media rates The San Diego Union-Tribune in the middle category of bias and as most reliable in terms of reliability.

Overall Score

A team of analysts at Ad Fontes Media regularly reviews articles and news programs to rate them in terms of bias and reliability. A weighted average of these ratings results in the overall score for the media source.

The bias rating, demonstrated on the Media Bias Chart®️ on the horizontal axis, ranges from most extreme left to neutral to most extreme right. The reliability rating, demonstrated on the chart’s vertical axis, rates sources on a scale from original fact reporting to analysis, opinion, propaganda and inaccurate/fabricated information.

The following are The San Diego Union-Tribune’s overall bias and reliability scores according to our Ad Fontes Media ratings methodology.

Reliability: 47.96

Bias: -0.86

Reliability scores for articles and shows are on a scale of 0-64. Scores above 24 are generally acceptable; scores above 32 are generally good.

Bias scores for articles and shows are on a scale of -42 to + 42, with higher negative scores being more left, higher positive scores being more right, and scores closer to zero being the most neutral and/or balanced.

Individual Article Scores

The following articles were reviewed by Ad Fontes Media analysts on the basis of reliability and bias. Each article was reviewed by at least three analysts: one conservative, one liberal and one moderate.

The team considers a variety of factors when rating a news article. To determine its reliability score, we consider the article’s veracity, expression, and its headline and graphics. We add each of these scores to the chart on a sliding scale, with the average of those creating the article’s overall reliability score.

To determine an article’s bias score, we consider its language, its political position and how it compares to other stories from other sources on the same topic. We add each of these scores to the chart on a sliding scale, with the average of those creating the article’s overall bias score.

Article URLBiasReliability
Blackstone Group to buy 66 apartment complexes in San Diego for more than $1 billion050.33
New nonprofit breast milk bank launches in San Diego048.33
Up to $1,500 off: California rolls out a new incentive program for clean cars-148.33
A closer look at the numbers driving San Diego County’s COVID-19 status-0.6749.33
San Diego Unified floats requests to Biden administration in State of District address-3.3347.33
FCC fines San Diego telemarketer nearly $10 million for spoofed Caller ID-148
San Diego home price gains stall044.67
Padres chairman Ron Fowler steps down; Peter Seidler to take over048.33
City to sell East Village site for $8.5M; developer planning office campus0.3344.67
San Diego faces large budget deficits as pandemic shrinks tax revenues0.6745.67
As COVID cases rise, businesses feel San Diego County’s tightening enforcement0.548.5
State demotes San Diego County to most-restrictive purple tier050.67
San Diego County election workers still tallying 370,000 outstanding ballots050.67
San Diego County supervisors seek more COVID-relief, road improvements, other programs in new budget-151.67
San Diego public schools can provide in-person enrichment and therapy to students, officials say1.6750
Grid operators look for help to keep rotating power outages from returning-0.6749
Herman Cain, former GOP presidential candidate, dies of COVID-19046
California nears 9,000 coronavirus-related deaths after 2 days of record-setting fatalities-5.3347.33
‘Pension spiking’ is not protected by California law, top court rules-2.3346.33
Gyms remain open despite recent outbreak at Pacific Beach business-544