Linear and Slack both demonstrated exceptional reliability during the week of 20 April 2026, according to independent monitoring by Uptrue. Linear achieved 99.74% uptime with a 238ms average response time, while Slack maintained 100% uptime with a faster 161ms average response time. Both services recorded zero incidents and zero minutes of downtime during the monitoring period.
- Slack achieved 100% uptime vs. Linear's 99.74% during the monitoring week
- Slack responded 77ms faster on average (161ms vs. 238ms)
- Both providers experienced zero incidents and zero downtime minutes
- All monitored endpoints across both services maintained critical availability
Uptime This Week
Slack achieved perfect uptime at 100% while Linear fell slightly below at 99.74%, a difference of 0.26 percentage points. Both figures represent strong reliability for enterprise collaboration tools. The marginal gap equates to approximately 3.7 minutes of potential downtime across Linear's infrastructure over a week-long monitoring window.
Response Time
Slack's average response time of 161ms outperformed Linear's 238ms by 77 milliseconds. This 32% response time advantage means Slack users experienced noticeably faster interaction with the platform across typical operations. Both response times remain within acceptable thresholds for real-time collaboration tools.
Incidents & Downtime
Neither provider reported any incidents or downtime during the monitoring period. Both Linear and Slack maintained continuous availability across all monitored regions and service components, including APIs, integrations, messaging, and authentication systems. This represents optimal performance for mission-critical collaboration infrastructure.
Which Should You Choose?
For most organizations, both providers meet stringent reliability requirements. Choose Slack if response time performance is critical to user experience or if your team prioritizes the fastest possible interactions. Select Linear if your primary need is issue tracking with enterprise-grade availability, accepting marginally longer response times in exchange for specialized project management features.
All uptime, response time, and incident data is collected by Uptrue's independent monitoring infrastructure. HTTP checks run every 5 minutes. An incident is recorded only after 2+ consecutive failed checks. Uptrue is not affiliated with any monitored service. For corrections: reports@uptrue.io