How Do I Get Photos Printed in the Right Order?
Print services sort by filename or upload order. Put the date at the front of each filename.
Most print services ignore the date inside a photo and sort by filename, or by the order the files finished uploading, which is close to random over a slow connection.
Rename the files with the date first and the problem disappears. 2019-07-14-1105.jpg sorts correctly in any list, on any service.
Takeout JSON Metadata Fixer renames a whole library that way from the real dates, with a preview before it commits. It runs on your own computer and is free for your first 500 photos.