Uptimeby GlyphSnowflake Postgres (HA instances) SLA
Snowflake · Databases · promises up to 99.95% · SLA of Feb 24, 2026 · checked 47d ago
30 major outages in the last 365 days. Worst region Azure - East US 2 (Virginia): 5.1 d counted, 98.605% observed against the 99.95% High-Availability instance, which applies per region.
9 of 12 months fell below it (credits are claimed per month). One incident ran past 72 hours; each counts for 72 hours at most (see the method).
Last 90 days: 8.9 h counted, 99.589% observed.
Incidents, last 365 days
Azure - West US 2 (Washington), Azure - South Central US (Texas)
A minor incident for 3.4 h, not counted as downtime (ticket INC20000321).
10 days ago
Azure - West US 2 (Washington), Azure - South Central US (Texas)A minor incident for 21 h, not counted as downtime (ticket INC20000319).
11 days ago
AWS - Europe (Ireland)A major outage for 5 h, counted as downtime (ticket INC20000301).
2 weeks ago
Azure - West US 2 (Washington)A minor incident for 51 min, not counted as downtime (ticket INC20000299).
2 weeks ago
GCP - Europe West 2 (London)A major outage for 8.9 h, counted as downtime (ticket INC20000294).
2 weeks ago
AWS - Asia Pacific (Seoul)A minor incident for 44 min, not counted as downtime (ticket INC20000290).
3 weeks ago
GCP - Middle East (Dammam)A major outage for 29 min, counted as downtime (ticket INC20000287).
3 weeks ago
AWS - US East (Ohio)A minor incident for 2.2 d, not counted as downtime (ticket INC20000277).
3 weeks ago
Azure - UAE North (Dubai), GCP - Middle East (Dammam)A partial outage or slowdown for 73 min, not counted as downtime (ticket INC20000263).
4 weeks ago
AWS - US West (Oregon), AWS - US West (Commercial Gov - Oregon)A major outage for 61 min, counted as downtime (ticket INC20000239).
6 weeks ago
AWS - Europe (Ireland)A major outage for 80 min, counted as downtime (ticket INC20000237).
6 weeks ago
AWS - Asia Pacific (Sydney), AWS - Asia Pacific (Singapore)A partial outage or slowdown for 81 min, not counted as downtime (ticket INC20000217).
8 weeks ago
AWS - Europe (Frankfurt), AWS - Asia Pacific (Tokyo)A major outage for 6 h, counted as downtime (ticket INC20000213).
8 weeks ago
AWS - US East (N. Virginia)A major outage for 2 h, counted as downtime (ticket INC20000211).
2 months ago
AWS - Europe (Frankfurt)A major outage for 2.6 h, counted as downtime (ticket INC20000199).
2 months ago
AWS - US West (Oregon), AWS - GovCloud (US-West)A partial outage or slowdown for 3.9 h, not counted as downtime (ticket INC20000190).
2 months ago
AWS - US East (N. Virginia)A major outage for 2.4 h, counted as downtime (ticket INC20000188).
2 months ago
GCP - US Central 1 (Iowa)A minor incident, still open, not counted as downtime (ticket INC20000150).
72 h counted, ran 74 d2 months ago
Azure - Central US (Iowa), Azure - Central India (Pune)A partial outage or slowdown for 81 min, not counted as downtime (ticket INC20000182).
2 months ago
Azure - Southeast Asia (Singapore)A major outage for 42 min, counted as downtime (ticket INC20000175).
2 months ago
AWS - US West (Oregon)A partial outage or slowdown for 1.7 h, not counted as downtime (ticket INC20000173).
2 months ago
Azure - East US 2 (Virginia)A partial outage or slowdown for 1.9 h, not counted as downtime (ticket INC20000168).
2 months ago
AWS - US East (N. Virginia)A partial outage or slowdown for 1.9 h, not counted as downtime (ticket INC20000163).
2 months ago
Azure - East US 2 (Virginia)A major outage for 2.1 h, counted as downtime (ticket INC20000158).
2 months ago
AWS - US East (Ohio)A major outage for 69 min, counted as downtime (ticket INC20000157).
2 months ago
Latest 25 of 60.
Major outage time per month
Allowed per month: 22 min
Commitments and credits
High-Availability instance
Snowflake Postgres instances with the High-Availability deployment option; non-HA and burstable instances are not covered
Credit: No credit schedule published
SLA changes
Snowflake Postgres (HA instances)
Appendix A added a Snowflake Postgres HA Feature Level of 99.95% with 3x/7x/total HA-instance credits; not present in the January 9, 2026 version.
8 months agoSource
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Cloud SQLGoogle Cloud promises 99.99% uptime, with a 10% credit when it misses; its status page showed 3.7 h of major outage in the 252 days on file.99.99%First credit10%Observed 365d99.939%All incidents 99.467%
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Terms, exclusions and sources
- Measured
- Monthly HA Instance Availability Percentage per HA Instance; downtime = one-minute intervals in which all connection requests fail
- Credit cap
- Total HA Instance Credits for the month (i.e., the full month's consumption of that instance) at the worst tier
- Claim window
- Within twenty-one (21) days of the calendar month in which the failure occurred
- How to claim
- Customer requests Feature Level Credits; credited against usage of the affected HA Instance the following month
- Not covered
- All Section III Support Policy exclusions; Burstable instances; Resource exhaustion (CPU, memory, IOPS, storage) from customer workloads; Customer-initiated restarts or misconfigurations; Postgres engine software causing repeated crashes; Scheduled maintenance initiated by customer or Snowflake
- Status history
- Status history since Sep 22, 2025
- Weighted uptime
- All incidents, weighted: 99.991% · Downtime
Less than 99.95% but equal to or greater than 99.0% 3x Average Daily HA Instance Credits; Less than 99.0% but equal to or greater than 95.0% 7x ...; Less than 95.0% Total HA Instance Credits
Credits expressed as multiples of Average Daily HA Instance Credits (3x, 7x, total), so numeric credit is null. Added in the February 24, 2026 version (absent from the January 9, 2026 version).