That was reported by the Ministry of Transport.
There were 16 major breakdowns last year.
The East-West and North-South lines clocked the most delays, at 5 and four respectively.
What’s worrying is the rising trend in the number of breakdowns.
Besides the MRT system, the LRT system has also shown an increased number of delays of more than 30 minutes.
There were 18 delays on the Bukit Panjang and Sengkang-Punggol LRT last year, up from 15 in 2015.
Commuters Redwire spoke to previously have expressed their fear of breakdowns and delays, with 70 percent saying that they brace themselves for such instances every day.
Even commuters that state media outlet The Straits Times have expressed concerns about train delays.
Said one of those commuters, research nurse Pang Yan:
“It can get very crowded at Buona Vista when there is a delay. Sometimes, people even have to stand on the staircases,” said Ms Pang, who travels daily from her home in Lakeside to her workplace in Kent Ridge.
Ms Pang added that the experiences about 2 delays a month on the East-West Line, with some lasting for more than 10 minutes.
Still, the Ministry of Transport has said that the overall performance of the MRT network has improved.
Its basis for this is that trains now travel a longer distance before they breakdown, compared to the past.
The government plans to pump in S$4bil over the next 5 years to improve rail assets.