By default, the online check-out emails are sent 18 hours before the established departure time.
To edit the timing:
- Go to Settings > Services > Stay
- Scroll down to the Reception section
- Navigate to the field Online check-out email timing
- Enter how many hours before the departure time you want to send the online check-out email
Note: These hours represent the number of hours before the check-out time, not the real-time.