The phrase "reliability history" refers to a record or track record of how dependable or trustworthy something has been over time. It tells us whether something has consistently performed well and without problems. Full definition
By also flying privately crewed missions, which NASA has encouraged, long - term costs to the government decline and more flight reliability history is gained, benefiting both government and private missions. (spacex.com)
That's an impressive accomplishment for an aging model, even one with the Toyota Corolla's exemplary reliability history. (cars.com)
In addition to its favorable reliability history, the MDX received a 5 - Star overall crash - test rating from the NHTSA in both 2011 and 2012, and was named a «Top Safety Pick» by the IIHS in 2012 and 2013. (autobytel.com)