Both Calendly and ClickUp demonstrated perfect operational stability during the monitoring period of April 20–26, 2026, according to Uptrue's independent monitoring. Calendly achieved 100% uptime with a 147ms average response time, while ClickUp matched that uptime figure with a 170ms average response time. Neither service experienced any incidents or downtime during this week.
- Calendly and ClickUp both achieved 100% uptime with zero incidents during April 20–26, 2026
- Calendly responded 23ms faster on average (147ms vs. 170ms)
- Combined total downtime across both services: 0 minutes
- All monitored components reported operational status on both providers' official status pages
Uptime This Week
Both providers maintained flawless uptime at 100% throughout the monitoring week. Calendly and ClickUp showed identical reliability metrics, with zero unplanned incidents affecting any tracked service components. This level of consistency reflects mature infrastructure capable of sustaining continuous availability in the collaboration tools category.
Response Time
Calendly delivered faster response times with a 147ms average, while ClickUp recorded 170ms—a 23ms difference. Both metrics fall within acceptable ranges for web applications, though Calendly's performance edge suggests slightly more optimized infrastructure or geographic routing during this period.
Incidents & Downtime
Zero incidents were recorded for either provider during the April 20–26 period. Neither service experienced measurable downtime, and all monitored components—including APIs, integrations, calendar functionality, and chat features—remained operational throughout the week.
Which Should You Choose?
For this specific week, both providers are equally reliable at the uptime level. Choose Calendly if response speed is a priority for scheduling-heavy workflows, or ClickUp if its broader feature set (automations, AI, dashboards) justifies the marginal latency difference. For mission-critical calendar integration, Calendly's 23ms speed advantage may provide measurable user experience benefits.
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