BoUk

Unlike other plugins, where check for missed schedules is hooked into init action, which in return means, there’s an extra database call created anytime the site is loaded, this plugin creates separate recurring cron task to check for missed schedules.
Checks are happening every 5 minutes and in case there are found posts missing its schedule, they are automatically published. From the principle this solution requires a functional WordPress cron subsystem.

Snack Missed Schedule

Uses separate recurring cron task to check for missed schedules.

Optimist Hub

Fatih Toprak

After installing the Scheduled Posts Issue Fixer plugin, you add a WP Cron that automatically publishes your posts, Custom Post Types, and posts that you receive a “Schedule Missed” warning without any settings.
When you disable the plugin, this scheduled task will be automatically removed from your site.
Note : Scheduled Posts Issue Fixer plugin never creates performance problems and ensures that your posts that give a missed schedule error are published intermittently by obtaining 20 of them from the database.

Scheduled Posts Issue Fixer

The definitive solution for scheduled posts with a missed schedule warning. Thanks to a Cron that runs every minute, scheduled posts with missed deadl …

Snack Missed Schedule vs Scheduled Posts Issue Fixer