I collected these addresses some time ago, but did not check them, as I had no booking on the corresponding systems :
Worldspan :
https://mytripandmore.com/default.asp
Galileo :
https://www.viewtrip.com/ViewTrip.asp
Amadeus :
https://www.checkmytrip.net/def/us/login.html
Sabre :
https://www.virtuallythere.com/cgi-bin/nph-newlogin
Hope this helps.

[This message has been edited by TGV (edited 06-11-2001).]