American Express and Capital One both achieved perfect 100% uptime during the week of 27 April 2026, according to Uptrue's independent monitoring. However, response time performance differed significantly, with American Express delivering 93ms average responses compared to Capital One's 209ms.
- Both providers maintained 100% uptime with zero incidents during the monitoring period
- American Express responded 2.2× faster (93ms vs 209ms average)
- Capital One's official status page is available; American Express does not maintain one
- No downtime recorded for either provider across the Banking & Finance category
Uptime This Week
Both American Express and Capital One delivered flawless uptime at 100% during this monitoring window. Neither provider experienced detectable downtime or service interruptions, indicating stable infrastructure operations across their core web properties.
Response Time
American Express demonstrated significantly faster response performance at 93ms, while Capital One averaged 209ms—a 116ms difference. For banking applications where transaction speed matters, American Express's response profile provides a meaningful performance advantage.
Incidents & Downtime
Neither provider recorded any incidents or downtime during the monitoring period. Both maintained uninterrupted service availability, with zero minutes of recorded outages across all tracked endpoints.
Which Should You Choose?
For uptime guarantees alone, both providers are equivalent. If response latency impacts user experience in your use case, American Express's faster 93ms average response makes it the preferable choice. For organizations prioritizing official status transparency, Capital One maintains a published status page.
All uptime, response time, and incident data is collected by Uptrue's independent monitoring infrastructure. HTTP checks run every 5 minutes. An incident is recorded only after 2+ consecutive failed checks. Uptrue is not affiliated with any monitored service. For corrections: reports@uptrue.io