Cloud Providers · reliability comparison

Amazon Web Services (AWS) vs Microsoft Azure: which is more reliable? (2026)

Microsoft Azure is more reliable than Amazon Web Services (AWS), scoring 100.0 vs 61.8 out of 100. Over the last 90 days Amazon Web Services (AWS) reported 7 incidents and Microsoft Azure reported 0, with effective uptime of 99.43% and 100% respectively.

Data updated Nov 1, 2026 · How we score

MetricAmazon Web Services (AWS)Microsoft Azure
Reliability score61.8100.0
Rank (cloud providers)#3—
Uptime (90 days)99.43%100%
Incidents (90 days)70
Partial / major outages00
Avg time to resolve11h 44m—
Outages we detected00
Transparency score100/100100/100

Where Amazon Web Services (AWS) and Microsoft Azure differ

  • Microsoft Azure reported no incidents in the last 90 days, while Amazon Web Services (AWS) reported 7.

90-day uptime

Amazon Web Services (AWS)

Aug 5, 2026 – Aug 14, 2026: no incidentsAug 15, 2026: 87.32% uptime, 1 incident (Degraded performance)Aug 16, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 17, 2026: 85.00% uptime, 1 incident (Degraded performance)Aug 18, 2026: 97.67% uptime, 1 incident (Degraded performance)Aug 19, 2026: 97.79% uptime, 1 incident (Degraded performance)Aug 20, 2026: no incidentsAug 21, 2026: 99.60% uptime, 1 incident (Degraded performance)Aug 22, 2026 – Sep 2, 2026: no incidentsSep 3, 2026: 98.64% uptime, 1 incident (Degraded performance)Sep 4, 2026: 99.91% uptime, 1 incident (Degraded performance)Sep 5, 2026 – Sep 20, 2026: no incidentsSep 21, 2026: 99.65% uptime, 1 incident (Degraded performance)Sep 22, 2026: 99.74% uptime, 1 incident (Degraded performance)Sep 23, 2026 – Oct 3, 2026: no incidentsOct 4, 2026: 98.31% uptime, 1 incident (Degraded performance)Oct 5, 2026 – Oct 29, 2026: no incidentsOct 30, 2026: 100% uptime, 1 incident (Degraded performance)Oct 31, 2026 – Nov 2, 2026: no incidents
90 days ago99.429% average daily uptimeToday

Microsoft Azure

Aug 5, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Recent Amazon Web Services (AWS) incidents

Full Amazon Web Services (AWS) reliability report →

Recent Microsoft Azure incidents

No incidents reported by Microsoft Azure in the last 90 days.

Full Microsoft Azure reliability report →

Other cloud providers to consider

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