T4 history on the TRAM

Each day, how punctual the T4 was and the disruptions that affected it. Tap a day to see the details.

Latest day: Wednesday, 28 October 2026

Every morning, around 10:30, the previous day is added, once even the most delayed journeys have finished.

The last 7 days

22 October to 28 October · compared with the 7 days before

7 without real-time data

On time
88%
+9 points
Average delay
2.1 mins
−0.9 mins
Cancelled
0%
−0.2 points
Scheduled journeys
1,631
7 days

Share of journeys that arrived less than 5 min late, each day.

  1. 7422T
  2. 9123F
  3. 9724S
  4. 9625S
  5. 9426M
  6. 8027T
  7. 9128W

Over the last 7 days, 88% of journeys on the T4 arrived less than 5 minutes late. The average delay was 2.1 mins, and 0% of journeys were cancelled.

TRAM real-time data, stored and measured daily by Transporta’mHow it is measured

Each day’s punctuality < 40 % 40–70 % 70–90 % ≥ 90 % Partial data No data

October 2026

179%279%383%481%563%668%755%858%973%1087%1190%1294%1394%1482%1577%1693%1782%1887%1977%2056%2187%2274%2391%2497%2596%2694%2780%2891%293031

September 2026

1100%2100%3100%4100%5100%6100%7100%898%9100%10100%11100%12100%1389%1486%1577%1681%1786%1868%1986%2091%2184%2273%2389%2489%2590%2683%2793%2880%2954%3094%

August 2026

199%2100%3100%4100%5100%6100%7100%8100%9100%10100%11100%12100%13100%14100%15100%16100%17100%18100%19100%2099%21100%22100%23100%24100%25100%26100%27100%28100%29100%3031100%

The full history, in the app

Here you see the last three months. In Transporta’m you get the whole year’s calendar, the week-by-week trend, how the line compares with the others and what happened each day.

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