San Francisco 49ers at Arizona Cardinals

NFLWeek 18 • regular • 2024

completed

Cardinals

Arizona

49ers

San Francisco

ARI 61%39% SF

Prediction Confidence:

High

Make Your Prediction

View leaderboard to see rankings

VenueState Farm Stadium

Glendale, AZ

Team Comparison

Head-to-head snapshot based on our model inputs

49ers (away)

Cardinals (home)

39%

Win probability

61%

High-impact factors

Players ruled out

Cardinals won 47-24

Cardinals won in a blowout

Prediction CorrectWe predicted Cardinals at 61%

What's Driving This Game

Each factor's contribution to the final win probability

ARI

Home Field Advantage

Rest Days

Turnover Differential

Defensive Efficiency

Offensive Efficiency

Recent Form

Favours SF|Favours ARI

Premium feature: factor breakdown

Start 14-day free trial →

Understanding the win probability calculation

Team Performance

Low impactHow team performanceworks →

4 factors

Turnover Differential

Arizona Cardinals turnover differential (+6) vs San Francisco 49ers (-1)

Cardinals

Defensive Efficiency

Arizona Cardinals defense (4.8 YPP allowed) is stronger than San Francisco 49ers (5.0 YPP allowed)

Cardinals

Offensive Efficiency

San Francisco 49ers offense (5.0 YPP) outpaces Arizona Cardinals (4.8 YPP)

49ers

Recent Form

Similar form: Arizona Cardinals (9-9) vs San Francisco 49ers (9-9)

Neutral

Injuries & Personnel

Low impactHow injuries & personnelworks →

1 factor

Injuries

Similar injury situations: Arizona Cardinals (0 out) vs San Francisco 49ers (0 out)

Neutral

Home & Venue

Medium impactHow home & venueworks →

1 factor

Home Field Advantage

Arizona Cardinals are 7-2 at home this season (divisional game, reduced advantage)

Cardinals

Rest & Schedule

Medium impact

1 factor

Rest Days

Arizona Cardinals has rest advantage (7 days) over San Francisco 49ers (5 days)

Cardinals

Weather & Conditions

Low impactHow weather & conditionsworks →

1 factor

Weather Impact

Indoor venue - weather not a factor

Neutral

Historical

Low impactHow historicalworks →

1 factor

Head to Head

No recent head-to-head history available

Neutral

Model version: 1.0.0 • Calculated: 2/27/2026, 10:41:15 PM

Learn About Our Analysis

Learn about the factors behind our predictions

Guide

NFL Win Probability

How we calculate NFL game outcome probabilities using advanced metrics

4 min readRead article

Deep Dive

Home Field Advantage

How playing at home affects NFL win probability

3 min readRead article

Deep Dive

NFL Weather Impact

How weather conditions influence NFL games and predictions

3 min readRead article

Frequently Asked Questions

Cardinals has a 61% win probability, while 49ers has a 39% win probability based on our analysis.

Our model considers weather conditions, offensive and defensive efficiency, rest days, injury impact, and historical performance.

This game is being played at State Farm Stadium in Glendale, AZ.

View all NFL games