FlyerTalk Evangelist and Ambassador: The British Airways Club
Join Date: Jun 2008
Location: Somewhere between 0 and 13,000 metres high
Programs: AF/KL Life Plat, BA GGL+GfL, ALL Diam, Hilton Diam, Marriott Gold, blablablah, etc
Posts: 33,191
Not likely unless an aircraft goes tech. The most likely last minute replacements tend to be within family (e.g. 772 to 77W vv, or between 319, 320, 321, or between 788 and 789). In that sense, the 388 is not easily swapable. Enjoy the big bird!