"Subway delays" refers to situations where the trains on a subway system are running late or are not running on time as originally scheduled. Full definition
His office conducted an economic analysis, which shows how the city's economy is directly affected by subway delays. (ny.curbed.com)
After weeks of increasingly severe subway delays, the MTA voted on a new spending plan that does not include additional money for repairs and could lead to higher fares. (shakingnews.com)
A board showing «planned service changes» listed a series of subway delays. (nytimes.com)