"Is your B train commute feeling extra stressful these days? Congratulations: the data agrees with you. For the second year in a row, the B has claimed the unenviable crown as New York City's most delayed subway line, according to using official MTA performance data. In 2025, the line arrived late up to 26 percent of the time, meaning more than one in four B train trips missed their scheduled arrival window."
"The 's analysis is based on the MTA's "customer journey time performance" metric , which measures whether riders complete trips on time, or within five minutes of schedule, between 6am and 11pm on weekdays. By that standard, the B lagged behind every other full-length subway line in the system over the past year. However, "most delayed" doesn't mean the B is collapsing entirely."
The B train missed its scheduled arrival window on as many as 26 percent of trips in 2025, making it the most delayed full-length subway line in New York City. The MTA's customer journey time performance metric counts trips completed on time or within five minutes between 6am and 11pm on weekdays. The B's on-time rate rose to about 78.5 percent in 2025 from roughly 65 percent in 2024, but remained lowest among lines. Shared tracks, aging signals, and older subway cars contribute to delays. Several other lines averaged under 82 percent while the L exceeded 90 percent reliability.
Read at Time Out New York
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