If you want to be more productive, then start at the start: get there on time. Whether it is a meeting, a flight, an appointment or a date, ensure you are there when you say you will be there.
Being on time is respectful to your hosts and also means you can effectively manage your day. Once you get behind, it is hard to catch back up again. Being punctual doesn’t mean rushing around the whole time. I always find the time to exercise - kitesurfing, tennis or cycling – and to spend time with my loved ones. It simply means organising your time effectively.
Being on time doesn’t mean working to a strict, rigid schedule. It means being an effective delegator, organiser and communicator. If it isn’t going to be possible for me to make an appointment, make that clear and apologise. If possible, find one of the team who will find it useful to attend on your behalf, and then ask them to feed back to you. If it really isn’t possible to be on time, call ahead.