Calendly and Linear both maintained strong operational performance during the monitoring period of January–April 2026, according to Uptrue's independent uptime monitoring. Calendly achieved 100% uptime with a 147ms average response time, while Linear recorded 99.73% uptime with a 238ms average response time. Neither provider experienced reportable incidents during this window.
- Calendly: 100% uptime, 147ms response time, zero incidents over 4 months
- Linear: 99.73% uptime, 238ms response time, zero incidents over 4 months
- Calendly response time was 91ms faster than Linear (147ms vs 238ms)
- Both providers maintain redundant regional infrastructure with independent uptime targets
Uptime This Week
Calendly maintained perfect uptime at 100% throughout the monitoring period, while Linear achieved 99.73% uptime across its distributed infrastructure. Linear's data reflects performance across both US and EU regions, with the US application component at 99.65% and the EU application at 99.76%. Both services demonstrated operational stability well above industry standards for collaboration tools.
Response Time
Calendly delivered faster response times at an average of 147ms compared to Linear's 238ms—a difference of 91ms. Both services maintained sub-300ms response times, which is acceptable for scheduling and project management workloads. The performance gap may reflect differences in infrastructure architecture, geographic distribution, or feature complexity.
Incidents & Downtime
Neither Calendly nor Linear recorded any incidents or downtime during the January–April 2026 monitoring period. Both providers' official status pages confirm zero unplanned outages affecting core functionality. This incident-free performance suggests mature operational practices at both organizations.
Which Should You Choose?
Choose Calendly if response latency is a priority—its 147ms average response time is notably faster and better suits time-sensitive scheduling operations. Choose Linear if you require multi-region deployment with explicit EU compliance or need extensive third-party integrations with guaranteed API performance (Linear's APIs maintained 100% uptime). For most teams, both services are equally reliable.
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