Iris spent a record 18 weeks at number one on the Hot 100 Airplay chart, but did not hit number one on the US Hot 100 as Billboard (at the time) did not allow songs to enter the Hot 100 without a commercial single release.
was in the midst of its chart run when Billboard changed its policy to allow airplay-only singles to chart on the Hot 100 and Hot R&B/Hip-Hop charts. It was on the decline when the rules were changed.