Monitoring & Observability · reliability comparison
Checkly vs PagerDuty: which is more reliable? (2026)
Checkly is more reliable than PagerDuty, scoring 91.1 vs 76.8 out of 100. Over the last 90 days Checkly reported 6 incidents and PagerDuty reported 12, with effective uptime of 99.96% and 99.76% respectively. PagerDuty resolves incidents faster on average (52m).
Data updated Nov 1, 2026 · How we score
| Metric | Checkly | PagerDuty |
|---|---|---|
| Reliability score | 91.1 | 76.8 |
| Rank (monitoring & observability tools) | #3 | #10 |
| Uptime (90 days) | 99.96% | 99.76% |
| Incidents (90 days) | 6 | 12 |
| Partial / major outages | 0 | 11 |
| Avg time to resolve | 1h 54m | 52m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Checkly and PagerDuty differ
- PagerDuty reported 2× as many incidents as Checkly over the last 90 days (12 vs 6).
- PagerDuty had 11 partial or major outages, compared with 0 for Checkly.
- PagerDuty fixes problems faster: 52m on average, against 1h 54m for Checkly (2.2× quicker).
- Checkly's longest incident on record lasted 3h 10m (Oct 7, 2026); PagerDuty's lasted 3h 20m (Aug 7, 2026).
90-day uptime
Checkly
PagerDuty
- 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 PagerDuty incidents
- Partial outageOct 23, 2026 · resolved in 34m
Issue Resolved - Delays Across the PagerDuty Platform
Affected: Voice (US), SMS (US), Push (US), Email (US), Webhooks (US)
- Partial outageOct 19, 2026 · resolved in 1h 46m
Issue Resolved - Delays Across the PagerDuty Platform
Affected: SMS (US), Voice (US), Push (US), Email (US), Incident Workflows (US), Slack (US) +8 more
- Degraded performanceOct 14, 2026 · resolved in 17m
Issue Resolved - Delayed escalation of incidents and responder request invitations
- Partial outageSep 27, 2026 · resolved in 14m
Event Processing, Notification, and Platform Functionality Issues
Affected: Events API (US), Incident Workflows (US), SMS (US), Voice (US), Email (US), Push (US) +3 more
- Partial outageSep 25, 2026 · resolved in 1h 18m
Issue Identified - Incident Workflows experiencing delays
Affected: Incident Workflows (US), Incident Workflows (EU)
- Partial outageSep 22, 2026 · resolved in 56m
Other monitoring & observability tools to consider
- Rollbar · #1 · 99.98% uptime
- incident.io · #2 · 99.97% uptime
- New Relic · #4 · 99.92% uptime
- UptimeRobot · #5 · 99.93% uptime
See the full most reliable monitoring & observability tools ranking →