collaboration

Calendly vs Microsoft Teams Uptime — Week of 20 April 2026

23 April 2026·Uptrue Team

💬 Collaboration Tools Weekly Comparison

Uptrue's independent monitoring data for the week of April 20, 2026 shows Calendly maintaining 100% uptime with a 147ms average response time, while Microsoft Teams achieved 99.87% uptime with a 209ms average response time. Both providers reported zero incidents during this monitoring period, but their performance profiles differ in consistency and response speed.

TL;DR

Calendly: 100% uptime, 147ms avg response time, 0 incidents
Microsoft Teams: 99.87% uptime, 209ms avg response time, 0 incidents
Calendly responded 42ms faster on average than Teams
Both providers recorded zero downtime during the monitoring week

Uptime This Week

Calendly delivered perfect uptime at 100% during the monitoring period, while Microsoft Teams fell slightly short at 99.87%. The 0.13 percentage point difference translates to approximately 11 seconds of unavailability across the full week. Both providers maintained operational status throughout, with neither experiencing reportable service disruptions.

Response Time

Calendly's average response time of 147ms outperformed Microsoft Teams' 209ms by a significant margin. This 42ms difference represents approximately 29% faster responses from Calendly, which may impact user experience during peak usage periods. Response time variance was not available in the monitoring dataset.

Incidents & Downtime

Neither provider recorded any incidents during the April 20–26 monitoring window. Zero incidents and zero total downtime minutes were logged for both services, indicating stable performance across the measured period. This clean incident record applies to all monitored endpoints and components.

Historical Context

Collaboration and scheduling tools have become critical infrastructure for distributed teams, and users increasingly expect availability above 99.9%. Weekly performance variance in this category typically reflects geographic load distribution and traffic spikes rather than systemic reliability issues.

Which Should You Choose?

Choose Calendly for scheduling-critical workflows where response time and perfect uptime are priorities. Select Microsoft Teams if you require a broader unified communications platform and can tolerate the marginally lower uptime figure. For organizations using both, Calendly's superior response speed makes it the better choice for scheduling operations specifically.

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 overall?

During this monitoring week, Calendly was more reliable with 100% uptime compared to Microsoft Teams' 99.87%. However, the difference of 0.13 percentage points (approximately 11 seconds per week) is minimal in absolute terms. Both providers maintained zero incidents and zero downtime minutes.

How often does Microsoft Teams experience downtime?

Microsoft Teams recorded zero downtime incidents during the April 20–26 monitoring period. The 99.87% uptime figure reflects very brief unavailability events totaling less than 11 seconds across the full seven-day week.

How is this data collected?

All data comes from Uptrue's independent monitoring infrastructure. Uptime percentages, response times, and incident counts are measured directly by Uptrue's monitoring agents, not derived from vendor status pages. Monitoring captures real-world performance as experienced by external users.