How Many Weeks in NFL Football? Full Season Breakdown

By Sarah Miller · September 8, 2046

The NFL regular season consists of 18 weeks, with each team playing 17 games over that span. Including the preseason (3 weeks) and postseason (up to 4 weeks), the full NFL football calendar spans approximately 22 weeks from early August to early February.

Understanding the NFL Season Structure

The National Football League (NFL) season is structured into three main phases: preseason, regular season, and postseason. Each phase serves a distinct purpose in player preparation, competitive play, and championship determination.

Phases of the NFL Season

Preseason: Lasts 3 weeks, primarily for team evaluation and player conditioning.
Regular Season: Spans 18 weeks with 17 games per team, typically running from September to January.

Postseason:

NFL Regular Season Week Breakdown

Since the 2021 expansion, the NFL regular season features 18 weeks, giving each of the 32 teams one bye week and 17 game weeks. The schedule is carefully coordinated by the league to ensure national broadcast coverage, divisional balance, and competitive fairness.

Key Features of the 17-Game Schedule

Each team plays 17 games over 18 weeks, with one scheduled bye week.
Eight opponents from within their own division (home and away).
Seven inter-conference matchups based on prior year standings.
One additional inter-conference game based on rotation.
One international or designated neutral-site game (occasionally).

Season Phase	Duration (Weeks)	Games per Team	Typical Timeframe
Preseason	3	3–4 exhibition games	Early August – Early September
Regular Season	18	17 games	September – January
Postseason	Up to 4	1–4 games (depending on advancement)	January – Early February
Total NFL Calendar	~22 weeks	Up to 21 total games	August – February

Table data source:1, 2

The table illustrates how the NFL season unfolds across nearly half a year. The regular season dominates the timeline, while the postseason compresses high-stakes games into weekends. Expansion to 17 regular-season games increased both revenue and player workload considerations.

How the NFL Schedule Is Built

The NFL uses a rotating scheduling formula to maintain competitive balance and ensure variety in matchups. Every four years, teams face all opponents from one division in the opposite conference. This system keeps fan interest high and ensures no team has an unfair advantage in scheduling difficulty over time.

Scheduling Rules Summary

6 games against division rivals (home and away).
4 games against one intra-conference division.
4 games against one inter-conference division.
2 games based on previous season's standings (same-place finishers).
1 flexibly assigned game, often for international promotion.

Frequently Asked Questions About NFL Season Length

How many weeks are in the NFL regular season?

The NFL regular season lasts 18 weeks, during which each team plays 17 games and has one bye week.

How many games does each NFL team play?

Each NFL team plays 17 games during the regular season, an increase from 16 games implemented starting in 2021.

When does the NFL season start and end?

The NFL regular season typically begins in early September and ends in early January. The postseason runs through January and concludes with the Super Bowl in early February.

How long is the NFL preseason?

The NFL preseason lasts for three weeks, usually from mid-August to early September, featuring exhibition games for roster evaluation.

Can an NFL team play 20 or more games in a season?

No. The maximum number of games an NFL team can play in a single season is 20: 17 regular season, plus up to 3 postseason games if they reach the Super Bowl.