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T21Line T21 GZM Metropolis
GZM Metropolis tram line T21 (ZTM Metropolia GZM): Tworzeń Huta Katowice – Milowice Pętla. Timetable, the route with every stop, operating hours and punctuality, by the timetable for Wednesday 11.11.2026.
Line T21 route and stops
Towards: Milowice Pętla (41 trips, 43 stops)
| Hour | Minutes |
|---|---|
| 3 | 16 |
| 4 | 38 |
| 5 | 04 34 |
| 6 | 04 34 |
| 7 | 04 34 |
| 8 | 04 34 |
| 9 | 04 34 |
| 10 | 04 34 |
| 11 | 04 34 |
| 12 | 04 34 |
| 13 | 04 34 |
| 14 | 04 34 |
| 15 | 04 34 |
| 16 | 04 34 |
| 17 | 04 34 |
| 18 | 04 34 |
| 19 | 04 34 |
| 20 | 04 34 |
| 21 | 04 34 |
| 22 | 09 |
| 0 | 04 |
Trips that do not call at this stop: 3. They are not in the table.
Pick a stop to see its departures.
- Milowice Pętla 1t
Towards: Tworzeń Huta Katowice (40 trips, 43 stops)
| Hour | Minutes |
|---|---|
| 4 | 38 |
| 5 | 12 42 |
| 6 | 12 42 |
| 7 | 12 42 |
| 8 | 12 42 |
| 9 | 12 42 |
| 10 | 12 42 |
| 11 | 12 42 |
| 12 | 12 42 |
| 13 | 12 42 |
| 14 | 12 42 |
| 15 | 12 42 |
| 16 | 12 42 |
| 17 | 12 42 |
| 18 | 12 42 |
| 19 | 12 |
| 20 | 12 42 |
| 21 | 42 |
| 22 | 12 52 |
Trips that do not call at this stop: 5. They are not in the table.
Pick a stop to see its departures.
- Tworzeń Huta Katowice 1t
Towards: Os. Zamkowe Zajezdnia (10 trips, 25 stops)
| Hour | Minutes |
|---|---|
| 3 | 19 |
| 4 | 19 |
| 23 | 17 |
| 1 | 02 |
Trips that do not call at this stop: 6. They are not in the table.
Pick a stop to see its departures.
- Os. Zamkowe Zajezdnia 2t
Trips through the day
Departures of line T21 from its terminus in each hour, by the timetable for Wednesday 11.11.2026.
Line T21 punctuality
In the last 7 days 84% of line T21's measurements were on time (from a minute early to 3 minutes late). 15% were at least 3 minutes late, and the average deviation from the timetable was 1.4 min. That is better than the city average (78% on time). Over the last 30 days the average delay was 1.4 min.
Measured every minute from live vehicle positions against the timetable.
Questions about line T21
When is the first and last trip of line T21 in GZM Metropolis?
By the timetable for Wednesday 11.11.2026, line T21's first departure is at 03:16 and the last at 24. Other days may differ; the Wiesz Kiedy planner shows current departures.
How often does line T21 run?
At peak times line T21 runs roughly every 30 minutes each way, 97 trips a day in all.
Where is the line T21 tram right now?
On the Wiesz Kiedy live map: wieszkiedy.pl/en/app?city=gzm&line=T21 shows every vehicle on line T21 with its direction and delay.
Is line T21 often late?
In the last 7 days 84% of line T21's measurements were on time, and 15% were at least 3 minutes late.
Other trams in GZM Metropolis
Timetable data: ZTM Metropolia GZM (data sources). Wiesz Kiedy is independent and not affiliated with any operator. Updated 2026-11-11.