Wiesz Kiedy › Timetables › GZM Metropolis › Line M21

M21Line M21 GZM Metropolis

GZM Metropolis bus line M21 (ZTM Metropolia GZM): Wygoda Skrzyżowanie – Bytom Dworzec. Timetable, the route with every stop, operating hours and punctuality, by the timetable for Wednesday 11.11.2026.

Plan a trip Where is it now?

38trips a day

04:53first departure

23:04last departure

60 minapart at peak

Line M21 route and stops

Towards: Bytom Dworzec (19 trips, 14 stops)

Departures from **Wygoda Skrzyżowanie**, timetable for Wednesday 11.11.2026
Hour	Minutes
4	53
5	53
6	53
7	53
8	53
9	53
10	53
11	53
12	53
13	53
14	53
15	53
16	53
17	53
18	53
19	53
20	53
21	53
22	53

Pick a stop to see its departures.

Bytom Dworzec

Towards: Wygoda Skrzyżowanie (19 trips, 13 stops)

Departures from **Bytom Dworzec**, timetable for Wednesday 11.11.2026
Hour	Minutes
4	56
5	56
6	56
7	56
8	56
9	56
10	56
11	56
12	56
13	56
14	56
15	56
16	56
17	56
18	56
19	56
20	56
21	56
23	04

Pick a stop to see its departures.

Wygoda Skrzyżowanie

Trips through the day

Departures of line M21 from its terminus in each hour, by the timetable for Wednesday 11.11.2026.

036912151821

Line M21 punctuality

In the last 7 days 76% of line M21's measurements were on time (from a minute early to 3 minutes late). 21% were at least 3 minutes late, and the average deviation from the timetable was 2.1 min. That is worse than the city average (78% on time). Over the last 30 days the average delay was 2.1 min.

Measured every minute from live vehicle positions against the timetable.

Questions about line M21

When is the first and last trip of line M21 in GZM Metropolis?

By the timetable for Wednesday 11.11.2026, line M21's first departure is at 04:53 and the last at 12. Other days may differ; the Wiesz Kiedy planner shows current departures.

How often does line M21 run?

At peak times line M21 runs roughly every 60 minutes each way, 38 trips a day in all.

Where is the line M21 bus right now?

On the Wiesz Kiedy live map: wieszkiedy.pl/en/app?city=gzm&line=M21 shows every vehicle on line M21 with its direction and delay.

Is line M21 often late?

In the last 7 days 76% of line M21's measurements were on time, and 21% were at least 3 minutes late.

Other buses in GZM Metropolis

0 1 1N 2 3 4 5 6 7 7N 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 30N 31 32 32N 34 35 36 37 39 40 41 42 43 45 46 47 48 49 50 51 52 55 56 57 58 59 61 64 66 67 69 70 71 72 73 74 75 76 76N 79 80 81 83 85 87 88 90 91 92 96 97 99 100 104 106 107 109 110 111 114 115 116 118 120 121 124 125 126 127 129 130 130N 131 132 134 137 138 139 142 145 146 147 149 150 153 154 155 156 157 158 160 160S 164 165 166 169 177 179 180 183 185 186 187 188 190 191 193 194 196 197 198 200 201 202 207 208 219 220 222 223 224 225 227 230 231 234 237 242 243 245 254 255 259 260 262 264 268 269 271 272 273 274 286 287 292 294 296 297 297N 299 505 514 531 536 565 568 594 600 601 604 606 608 609 610 612 614 615 616 617 617N 622 623 623N 624 625 627 629 632 634 636 637 638 639 640 641 644 650 654 655 656 657 657N 662 663 664 669 670 671 672 672N 673 674 676 678 686 687 688 689 690 692 692N 693 694 695 696 699 700 701N 702 704 705N 706 707 708 709 716 720 721 722 723 743 759 770 780 788 807 808 814 835 840 840N 900 902N 903N 904N 905N 910 911 911N 913 920 922 924 930 931 937 959 967 970 972 973 982 989 995 998 A4 A4N AP M1 M2 M3 M4 M10 M11 M12 M13 M14 M15 M16 M17 M18 M19 M22 M23 M24 M25 M28 M100 M101 M102 M103 M104 M105 M106 M107 M108 M109 M116 Z210 Z-1 Z-2 Z-6 Z-13 Z-15 Z-16 Z-20 Z-25 Z-37 Z-45 Z-51 Z-54

Timetable data: ZTM Metropolia GZM (data sources). Wiesz Kiedy is independent and not affiliated with any operator. Updated 2026-11-11.

Hour	Minutes
4	53
5	53
6	53
7	53
8	53
9	53
10	53
11	53
12	53
13	53
14	53
15	53
16	53
17	53
18	53
19	53
20	53
21	53
22	53

Hour	Minutes
4	56
5	56
6	56
7	56
8	56
9	56
10	56
11	56
12	56
13	56
14	56
15	56
16	56
17	56
18	56
19	56
20	56
21	56
23	04

Hour	Minutes
4	53
5	53
6	53
7	53
8	53
9	53
10	53
11	53
12	53
13	53
14	53
15	53
16	53
17	53
18	53
19	53
20	53
21	53
22	53

Hour	Minutes
4	56
5	56
6	56
7	56
8	56
9	56
10	56
11	56
12	56
13	56
14	56
15	56
16	56
17	56
18	56
19	56
20	56
21	56
23	04

Hour	Minutes
4	53
5	53
6	53
7	53
8	53
9	53
10	53
11	53
12	53
13	53
14	53
15	53
16	53
17	53
18	53
19	53
20	53
21	53
22	53

Hour	Minutes
4	56
5	56
6	56
7	56
8	56
9	56
10	56
11	56
12	56
13	56
14	56
15	56
16	56
17	56
18	56
19	56
20	56
21	56
23	04