I know we all have crazy schedules. One day we have to stay late at work for a meeting. The next day a workout time is usurped by an appointment for a haircut. Then we have a lunch meeting with some clients. Of course those all are very important activities that need to get done, but you can't just keep skipping your workout because of them.
Whether or not you're trying to lose weight, exercise should be a part of your weekly schedule. One thing that works for me is scheduling my workouts at the same time, three to five times a week. Noon is the perfect time for me because I have an hour off for lunch and can eat at my desk afterwards. Maybe 7 a.m. works well for you because you never have early meetings. Or maybe your workout may have to wait until after work at 6 p.m., or even later until after you put your kids to bed.
You need to pick a time that you can easily stick to. A time that can't be overtaken easily by something else. This half hour to an hour time slot is just as important as your other appointments you may have. So be sure to schedule your workouts during times you are always free.
Fit's Tips: If you are going to exercise during work, talk to your co-workers and boss about your "workout appointments." It's common courtesy to make sure it's OK with them, and it'll also let them know that you aren't available at that time.