Cloud Service Reliability Report
May 2026
Generated 30 June 2026 from ServiceAlert's provider-status observations.
Results measure reported issue frequency, not duration-based, component-weighted, contractual, or user-journey uptime. Collection timing and normalization rules are not published. Read the methodology or request a correction at support@servicealert.ai.
May 2026 was a challenging month for cloud reliability. Average issue-free-day rate across 2313 monitored services was 86.45%, down 1.56% from April.
Key Findings
- Average uptime across 2313 services was 86.45%, down 1.56% from April
- Payments & Fintech had the most issues with 97 total incident-days
- 1145 services maintained 100% uptime (Platinum tier)
- 1168 services (50.5%) experienced at least one issue during May
Issue-Free-Day Distribution
Category Breakdown
Biggest Incidents
Most Affected Services
| Service | Issue-Free Days | Issue Days | Breakdown |
|---|---|---|---|
| Cloudflare | 0% | 7 | 6d degraded 1d major |
| Tenable | 0% | 7 | 7d major |
| Zoom | 0% | 7 | 7d degraded |
| Zscaler | 0% | 7 | 2d degraded 5d partial |
| Twilio | 0% | 7 | 7d degraded |
| Intercom | 0% | 7 | 7d degraded |
| Akamai | 0% | 7 | 7d degraded |
| Palo Alto Cortex Cloud | 0% | 7 | 7d degraded |
| Palo Alto Cortex XDR | 0% | 7 | 7d degraded |
| Palo Alto Cortex XSIAM | 0% | 7 | 7d degraded |
Most Consistently Clear Services
| Service | Issue-Free Days | Days Tracked |
|---|---|---|
| AWS | 100% | 7 |
| Citrix Cloud | 100% | 7 |
| Cribl | 100% | 7 |
| CrowdStrike | 100% | 7 |
| Okta | 100% | 7 |
| PagerDuty | 100% | 7 |
| Red Canary | 100% | 7 |
| Rubrik | 100% | 7 |
| Slido | 100% | 7 |
| Webex | 100% | 7 |
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Review Alert OptionsAbout the monthly report
Each report summarizes provider-status observations for the selected month, including issue-free-day rates, reported incidents, and category comparisons.
Use these signals alongside your own synthetic and real-user monitoring. Browse individual service pages, review our limitations, or view current incidents.