Background: Delays in time between diagnosis and treatment of breast cancer can affect survival.Objective: To determine survival according to the time between diagnosis and the start of treatment in women with breast cancer, which treated at a center in the city of Barranquilla.Material and methods: Retrospective study of 235 women with breast cancer in whom overall survival was evaluated.Kaplan-Meier and log-rank analysis were performed.Binary logistic regression was performed using SPSS, version 19.Results: Mean age was 55.3 years (± 12.2), mean time in care 99.9 days (± 132.3), and mean overall survival 69.3 months (95% CI: 63.4-75.3).Survival was lower with less chance: 60.9 months (95% CI: 54.3-67.6).Statistical significance was found for: age under 60 years, subsidized health regimen, and positive E/P recipients.Conclusions: Interventions are needed to reduce delays in starting treatment and improve survival in patients with breast cancer.