1 uptime tests for www304.americanexpress.com were performed during the 255 day period starting on March 13, 2024, according to records. Www304.americanexpress.com was unavailable or facing other problems every time it was checked as of November 23, 2024. 100.00% of checks, totaling 1, resulted in www304.americanexpress.com being unavailable, including on March 13, 2024, for the most recent one. It has been confirmed by all responses that have been received as of November 23, 2024, that no responses have an error status. On March 13, 2024, — seconds was www304.americanexpress.com's response time, while 0.001 seconds is the average.