BACKGROUND Lateral condyle fracture of the humerus in children should be diagnosed and treated quickly to avoid the complications of malunion and varus deformity of the elbow. Worldwide, pediatric orthopedic departments experienced delays in patient diagnosis and treatment during the COVID-19 pandemic. This retrospective study from a single center in Turkey aimed to compare outcomes from early treatment, elective treatment, and delayed treatment in 140 children with lateral condyle fracture of the humerus between 2013 and 2021. MATERIAL AND METHODS In the study, 140 patients with Milch type 2 fractures were included. Patients underwent fixation with K-wires or screws after open or closed reduction. Data collected included age, sex, trauma details, surgery timing, operating conditions, perioperative issues, and rehabilitation outcomes. Fracture union and complications were monitored through clinical examinations and X-rays. Clinical outcomes were evaluated using the Mayo Elbow Performance Score (MEPS). RESULTS There were 58 patients in the early group, 52 in the elective group, and 30 in the delayed group. Surgery durations varied among the groups (P=0.000). The early and delayed groups as well as the early and elective groups had significantly different incision sizes (P=0.000 for both). The early and delayed groups and the early and elective groups had significantly different MEPS scores (P=0.002 and P=0.011, respectively). CONCLUSIONS In patients with late-presenting lateral condyle fractures, although complications increase, surgical treatment does not yield worse outcomes. Standardization of fracture management should be maintained during periods such as COVID-19.