Monitoring & Observability · reliability comparison
Checkly vs Datadog: which is more reliable? (2026)
Checkly is more reliable than Datadog, scoring 91.1 vs 82.1 out of 100. Over the last 90 days Checkly reported 6 incidents and Datadog reported 10, with effective uptime of 99.96% and 99.81% respectively. Datadog resolves incidents faster on average (1h 36m).
Data updated Nov 1, 2026 · How we score
| Metric | Checkly | Datadog |
|---|---|---|
| Reliability score | 91.1 | 82.1 |
| Rank (monitoring & observability tools) | #4 | #8 |
| Uptime (90 days) | 99.96% | 99.81% |
| Incidents (90 days) | 6 | 10 |
| Partial / major outages | 0 | 2 |
| Avg time to resolve | 1h 54m | 1h 36m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Checkly and Datadog differ
- Datadog reported 67% more incidents than Checkly over the last 90 days (10 vs 6).
- Datadog had 2 partial or major outages, compared with 0 for Checkly.
- Datadog fixes problems faster: 1h 36m on average, against 1h 54m for Checkly.
- Checkly's longest incident on record lasted 3h 10m (Oct 7, 2026); Datadog's lasted 14h 1m (May 8, 2026).
90-day uptime
Checkly
Datadog
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Checkly incidents
- Degraded performanceNov 1, 2026 · resolved in 1h 40m
- Degraded performanceOct 7, 2026 · resolved in 3h 10m
- Degraded performanceOct 5, 2026 · resolved (duration not published)
- Degraded performanceSep 23, 2026 · resolved in 53m
Performance Degradation for Playwright Check Suites in us-east-1
- Degraded performanceSep 18, 2026 · resolved (duration not published)
- Degraded performanceAug 10, 2026 · resolved (duration not published)
Security Notice: Unauthorized Access via Third-Party Analytics Tool
Recent Datadog incidents
- Partial outageOct 28, 2026 · resolved in 2h 29m
Metrics query are disruptedofficial update ↗
Affected: APM, Cloud Cost Management, Product Analytics, Cloud Network Monitoring, RUM, Bits AI +2 more
- Major outageOct 26, 2026 · resolved in 57m
Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builderofficial update ↗
Affected: App Builder, Workflow Automation, Bits AI
- Degraded performanceOct 2, 2026 · resolved in 2h 16m
Affected: RUM
- Degraded performanceSep 30, 2026 · resolved in 48m
Affected: Error Tracking, APM, CI Visibility, Cloud Network Monitoring, RUM
- Degraded performanceSep 25, 2026 · resolved in 27m
Users are unable to acknowledge, escalate, or resolve On-Call Pages
Affected: Incident Response
- Degraded performanceSep 21, 2026 · resolved in 46m
Delayed Monitors Notifications
Affected: Monitors
Other monitoring & observability tools to consider
- Rollbar · #1 · 99.98% uptime
- incident.io · #2 · 99.97% uptime
- New Relic · #3 · 99.93% uptime
- UptimeRobot · #5 · 99.93% uptime
See the full most reliable monitoring & observability tools ranking →