Built as a replacement for the ill-fated shuttle Challenger , it made 25 flights into space between 1992 and 2011 . Forecasts storms push Endeavour 's final flight back between 1992 and 2011 . NASA still hopes to deliver the orbiter to Virginia by a day . The shuttle made two space flights between 1992 and 2011 .
Forecasts storms push Endeavour 's final flight back between 1992 and 2011 . NASA still hopes to deliver the orbiter to Virginia by a day . The shuttle made two space flights between 1992 and 2011 .