Over a span of 1 473 days, 5 checks have been made for horizons.com's availability starting on December 11, 2020. Inspections conducted as of December 23, 2024, determined that horizons.com was inaccessible or faced operational challenges. None of the inspections that were carried out resulted in horizons.com being inaccessible as of December 23, 2024. Among the 5 error-containing responses, the most current error, coded as 404, was detected on March 29, 2024. Compared to 0.201 seconds average, horizons.com responded in 0.201 seconds on March 29, 2024.