A temporary server issue has affected ‘Too Many Requests’ due to high traffic demand, with the error message indicating a client IP address of 37.27.54.14 and a request ID of 161487205. This technical problem prevents users from accessing the service until it is resolved.
Source: https://www.montanarightnow.com/missoula/frontier-offers-new-all-you-can-fly-pass-from-montana/article_24a7c13a-bcc1-11ef-87e1-e738c00e254d.html