Which NYC Subway Line Is the Worst? Every Line Ranked

82.9%subway trips on time
15%trips 5+ min late
38,432delayed trains a month

Pick a line

42 St Shuttle Franklin Av Shuttle Rockaway Park Shuttle 7 J/Z L G M 1 3 R 5 4 C D 6 A E Q F 2 N B

Every line ranked by on-time rate

October 2025 – September 2026. On time = reached the last stop within 5 minutes of schedule. Change is vs the 12 months before.

By on-time rate, the least reliable line is the B train: 72.2% of its trips reached the end of the line within 5 minutes of schedule (October 2025 – September 2026), compared with 82.9% for the whole subway. Apart from the short shuttles, the most reliable line is the 7 train, with 90% of trips on time.

#LineOn timeChange (pts)5+ min lateTop delay cause
142 St Shuttle99.8%00.8%Infrastructure & equipment
2Franklin Av Shuttle99.3%-0.15.1%Infrastructure & equipment
3Rockaway Park Shuttle95.8%+0.59.6%External factors
47 train90%-110.5%Infrastructure & equipment
5J/Z train88.5%-0.418.8%Infrastructure & equipment
6L train87.1%-4.310.8%Infrastructure & equipment
7G train86.8%+3.418.9%Planned row work
8M train85.7%-1.519.2%Infrastructure & equipment
91 train84.6%+0.910%Infrastructure & equipment
103 train82.1%+0.511.9%Infrastructure & equipment
11R train81.9%+1.517.2%Infrastructure & equipment
125 train81.2%-112.9%Infrastructure & equipment
134 train80.2%-1.912.2%Infrastructure & equipment
14C train80%+4.816.7%Infrastructure & equipment
15D train78.3%-0.820.5%Infrastructure & equipment
166 train78%-6.712.3%Infrastructure & equipment
17A train77.9%-3.117%Infrastructure & equipment
18E train76.6%-1.914.5%Infrastructure & equipment
19Q train76.4%-520.5%Infrastructure & equipment
20F train74.3%+2.418.5%Infrastructure & equipment
212 train72.4%+0.514.5%Infrastructure & equipment
22N train72.4%-4.819.1%Infrastructure & equipment
23B train72.2%+3.221%Infrastructure & equipment

Why is the subway delayed?

The main causes of subway delays over the last 12 months were infrastructure & equipment (36%), planned row work (21%), police & medical (21%).

Questions

What is the worst subway line in NYC?

By on-time rate, the least reliable line is the B train: 72.2% of its trips reached the end of the line within 5 minutes of schedule (October 2025 – September 2026), compared with 82.9% for the whole subway.

What is the most reliable subway line in NYC?

Apart from the short shuttles, the most reliable line is the 7 train, with 90% of trips on time.

Why is the NYC subway delayed?

The main causes of subway delays over the last 12 months were infrastructure & equipment (36%), planned row work (21%), police & medical (21%).

How often is the NYC subway late?

Across the subway, 15% of trips took at least 5 minutes longer than scheduled, and riders waited on average 79 seconds longer on the platform than the schedule says.

More NYC transit data

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Found something surprising about your station? Have a question the data could answer, or an idea for what to dig into next (congestion pricing, a train line, an event)? I'd love to hear it, and I'm always up for talking about transit data.

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Data (data.ny.gov): Terminal On-Time Performance, Customer Journey-Focused Metrics, Trains Delayed, Wait Assessment, Major Incidents. Updated Oct 28, 2026. The MTA's own charts: metrics.mta.info.
Source code: github.com/MantieReid/mta-data-analysis · Analysis by Mantie Reid II (CC BY 4.0).