The group reigns more than 12 years after its first week on the tally.
Panic! at the Disco scores its first No. 1 on a Billboard songs chart, as "Say Amen (Saturday Night)" jumps 2-1 on the Alternative Songs airplay survey dated June 30.
With 12 years, four months and two weeks between its first appearance and its leader on the list, the Brendon Urie-led band ends the fifth-longest wait for an initial No. 1 in the chart's nearly 30-year history.
Stone Temple Pilots went the longest between a debut and first No. 1 on Alternative Songs: 17 years and two weeks between "Plush," in 1993, and their first (and sole) leader, "Between the Lines," in 2010.
Most Time Between First Alternative Songs Chart Appearance & First No. 1
17 years, two weeks, Stone Temple Pilots 16 years, 10 months, one week, Alice in Chains 15 years, five months, one week, Nine Inch Nails 14 years, nine months, three weeks, Beastie Boys 12 years, four months, two weeks, Panic! at the Disco
Panic! first appeared on the Alternative Songs chart dated Feb. 18, 2006, with "The Only Difference Between Martyrdom and Suicide Is Press Coverage," which hit No. 5 that April, the band's best peak prior to "Amen." The group boasts four top 10s (including "Amen") among 12 total visits.
"Amen" holds at its No. 4 high on the all-rock-format Rock Airplay chart, gaining by 8 percent to a new weekly-best 8.9 million audience impressions, according to Nielsen Music.
"Amen" is the first single from Pray for the Wicked, currently projected to become the band's second No. 1 on the Billboard 200 next week.