collaboration

Calendly vs Zoom Uptime — Week of 20 April 2026

23 April 2026·Uptrue Team

💬 Collaboration Tools Weekly Comparison

Calendly and Zoom both delivered perfect uptime during the monitoring period of April 20–26, 2026, each maintaining 100% availability with zero incidents. Zoom achieved faster response times at 120ms average, while Calendly responded in 147ms. This data comes from Uptrue's independent monitoring of both providers' public endpoints.

TL;DR

Both Calendly and Zoom maintained 100% uptime with zero incidents during the April 20–26 monitoring window
Zoom delivered faster average response times at 120ms compared to Calendly's 147ms
Neither provider experienced any measurable downtime or service disruptions
Data collected from independent Uptrue monitoring; official status pages reported full operational status for both services

Uptime This Week

Both Calendly and Zoom achieved 100% uptime during the monitoring period, with zero recorded incidents or downtime. This represents baseline reliability performance for mature collaboration platforms. The matching perfect uptime scores indicate both providers maintained consistent service availability throughout the week.

Response Time

Zoom outperformed Calendly in response time metrics, averaging 120ms versus Calendly's 147ms. Both response times fall well within acceptable ranges for web services, with Zoom's 27ms advantage providing marginally faster user experience. Neither provider showed concerning latency patterns during the monitoring window.

Incidents & Downtime

Zero incidents were recorded for both providers during April 20–26. Neither service experienced scheduled maintenance windows, unplanned outages, or service degradation events. This clean incident record reflects stable platform performance across the monitoring period.

Historical Context

Collaboration tools have become critical infrastructure for modern organizations, making even brief outages costly. Leading providers in this category increasingly maintain uptime commitments exceeding 99.9%, with infrastructure designed to minimize both planned and unplanned downtime.

Which Should You Choose?

For teams requiring scheduling and meeting capabilities, both providers demonstrated equivalent reliability during this period. Choose Zoom if response time sensitivity matters for your workflow; choose Calendly if scheduling integration depth aligns better with your calendar ecosystem. Neither choice involved reliability trade-offs based on this week's data.

About This Data
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

Frequently Asked Questions

Which provider is more reliable: Calendly or Zoom?

During April 20–26, both achieved identical 100% uptime with zero incidents. Reliability was equivalent over this period. Longer-term trend analysis would be needed to identify any statistical differences in reliability over months or years.

How often does Zoom experience downtime?

Zoom recorded zero incidents and zero minutes of downtime during the April 20–26 monitoring window. Uptrue's independent monitoring showed perfect availability throughout the week. Historical patterns would require extended data collection across multiple weeks to quantify typical incident frequency.

How is this reliability data collected?

Uptrue independently monitors public endpoints for both calendly.com and zoom.us, measuring uptime, response times, and incident occurrence. This data comes from direct service monitoring rather than vendor-reported metrics, providing third-party verification of availability and performance.