Planning air travel

you know what I hate about air travel? Well several things but one problem I have now is trying to find out who flies where and on what days.  So I can use a search engine to find flights, but what do I do when an airline only operates 2 or 3 times a week?  My travel dates a flexible so if a schedule could be downloaded I can find my flights.  Instead I am forced to plug in multiple dates and times, connecting airports and then eventually book my flight on my timetable, on my connecting cities and my duration.

this stinks.