Delay analytics
Delay analytics · ' . esc_html($d['country']) . '
How the delays moved.
The day-by-day record this board has published, read against the live window — one metric, stated plainly, with its coverage window attached.
Live window
Updated 09:22
Snapshot age 8 minutes
53.5%
7-day mean on time
vs 60s rule
75.2%
30-day mean on time
Recorded days
-21.7pp
7-day vs 30-day
Slipping
0.0s
Mean delay, live window
Rolling
Day by day
On time % · last 17 recorded days2026-09-2590.0%
2026-09-2797.6%
2026-09-2897.6%
2026-09-2999.3%
2026-09-3098.4%
2026-10-0194.1%
2026-10-0283.3%
2026-10-0375.7%
2026-10-0476.4%
2026-10-0591.6%
2026-10-0693.4%
2026-10-0795.6%
2026-10-0893.4%
2026-10-0992.1%
2026-10-100.0%
2026-10-110.0%
2026-10-120.0%
Day-by-day record · not an official statistic.
Live window
Where the delays are right now
On Time (≤60s)0
Minor (1–5m)0
Moderate (5–10m)0
Major (>10m)0
History source
This hub's own daily per-board record (one sample per UTC day, 400-day cap) built from the board's endpoint.
Live source
Data: Caltrain GTFS-RT Trip Updates — via the 511 SF Bay open data API
Averages
7-day and 30-day means appear once two or more days are on record; a single day is never shown as a trend.
Not an official operator statistic. Read alongside the board at ' . esc_html(Hub_Board::board_url($d['card'])) . '