How many flats you get depends on where you drive more than anything. If you're only ever driving on well maintained roads that are free of debris then you wil

How many flats you get depends on where you drive more than anything. If you're only ever driving on well maintained roads that are free of debris then you will almost never get flats. Also just because a leak is slow doesn't mean you don't need the spare. If you had needed to be somewhere the following day (e.g. work) you would have put on the spare.