CTA 'L' · Sat Oct 10

Chicago

Not graded yet84.5% of trains ran · 1.7 min extra wait · 2.0% bunchedA system gets its first grade after 7 full days of data. 0 of 7 so far, so the first grade is expected Sun Oct 18. How the grade works 11,329 of 13,403 scheduled station stops over 1 day. We were recording 36.0% of that time. The rest is left out, not counted as missing trains.

Lines drawn from station positions in the timetable. Hover or tap a line for its numbers.

This week

The best and worst lines this week. A line needs at least 200 scheduled trips in the week to appear here.

Most reliablePurple Line98.9%of scheduled trains ran (524 of 530 station stops)See the receipts →Least reliableGreen Line80.0%of scheduled trains ran (423 station stops missing)See the receipts →Least bunchingOrange Line0.0%of gaps between trains were bunchedSee the receipts →Most bunchingBrown Line4.0%of gaps were bunched (66 times trains ran in pairs)See the receipts →Longest waitBlue Line37 min at UIC-Halstedscheduled every 9 min · Sat Oct 10, 11:18 pmSee the receipts →Most delaysBlue Line14.6%of runs flagged delayed by Train Tracker (15 of 103)See the receipts →Most service alertsBlue Line1 alertsignificant unplanned disruptions posted by CTASee the receipts →

See how Chicago compares on the report card →

Every line

The glowing tube is each line's latest day, hour by hour: a segment shines brighter the more of that hour's trains ran, and fades as trains go missing.