The NFL RedZone starts its broadcast on Sundays during the NFL regular season at 1:00 p.m. Eastern Time. It airs continuously until about 8:00 p.m. Eastern, covering all the Sunday afternoon games live in a whip-around format to show every touchdown as it happens.
More specifically, the game day coverage begins with a countdown clock signing on at 12:55 p.m. ET, with the actual RedZone coverage beginning at 1:00 p.m. ET when games start. The channel switches live to games as teams enter the red zone (the area between the 20-yard line and the goal line), and covers potential scoring plays.
This 7-hour block of live coverage is a special exclusive on Sundays when the NFL regular season games are played in the afternoon. The broadcast is hosted by Scott Hanson and is available through various cable providers, streaming platforms like DAZN and NFL Game Pass, and will be included in ESPN's new streaming offerings starting in the 2025 season.
In summary, NFL RedZone starts at 1:00 p.m. ET on Sundays during the NFL regular season and lasts for about seven hours, showing live highlights and touchdowns from all the early and late afternoon games.