iHeart AdBuilder will select the stations and times-of-day to play your audio ad where your primary customers are most likely to listen. The stations you see on the Buy Summary page are stations your ad may play on, but because AdBuilder optimizes your campaign to reach your primary customers, your ad might not play on every one of the stations displayed here.
Once your campaign is live and your audio ad is playing, you will be able to see which stations your ad has played on by clicking 'View daily impressions' on the Stations widget.