OpenAI’s infrastructure stability and limited major disruptions shaped the overwhelming trader consensus around exactly two ChatGPT outage days in September 2026. A significant Azure East US cooling failure on September 3 triggered a multi-hour platform-wide outage affecting ChatGPT alongside other AI services, while scattered elevated-error incidents later in the month—such as brief periods on the 22nd, 23rd, 25th, and 29th–30th—primarily involved partial degradations, latency spikes, or agent-specific issues rather than full-day outages per typical resolution thresholds. Historical uptime patterns and OpenAI’s rapid mitigations on non-critical days reinforced the view that only two dates met the criteria for counting as outage days. Unexpected last-minute status page revisions or broader inclusion of degraded-performance windows could still alter the tally before final resolution.