Magic URL to force a UIWebView to load in MobileSafari instead?

I've got an application which has been launched out in the world (so I can't change that version), and I've noticed that certain 3rd-party pages seem to fail when loaded in the native UIWebView, but work fine when loaded in the regular Mobile Safari browser. I know I can change the UIWebViewDelegate to send problematic URLs off to Mobile Safari next time I release (and I plan to), but I'm hoping there's some solution for the meantime.

Ideally, I'd like to be able to change the URL I send up from my server which ordinarily would just be loaded by the UIWebView so that it causes the UIWebView to refuse to load it and pass it off to Mobile Safari instead. Does anyone know if that is possible?

Unfortunately, if your app version is coded to load a URL inside a UIWebView instance, there isn't anyway to mimic sending that URL to UIApplication's openURL: instead.