21
Cardiff Bus
21 bus timetable: Cardiff City Centre to Whitchurch via Rhiwbina, Pantmawr
Cardiff City Centre - Whitchurch via Rhiwbina, Pantmawr
Route map
21 live route map
See the route, stops, and live buses currently on this line.
46 stops
Live buses loading
Map ready
Loading the route map...
Cardiff City Centre → Whitchurch
16 trips · first 07:13 · last 21:37
Sunday
Live From 2025-04-19
Swipe sideways to see later trips.
Stop
07:13
Whitchurch
07:43
Whitchurch
08:32
Whitchurch
09:37
Whitchurch
10:37
Whitchurch
11:37
Whitchurch
12:37
Whitchurch
13:37
Whitchurch
14:37
Whitchurch
15:37
Whitchurch
16:37
Whitchurch
17:37
Whitchurch
18:37
Whitchurch
19:37
Whitchurch
20:37
Whitchurch
21:37
Whitchurch
07:13
07:43
08:32
09:37
10:37
11:37
12:37
13:37
14:37
15:37
16:37
17:37
18:37
19:37
20:37
21:37
Cardiff, Westgate Street KN
outside
07:14
07:44
08:33
09:38
10:38
11:38
12:38
13:38
14:38
15:38
16:38
17:38
18:38
19:38
20:38
21:38
Cardiff Castle, Kingsway GA
outside
07:16
07:46
08:35
09:40
10:40
11:40
12:40
13:40
14:40
15:41
16:41
17:41
18:40
19:40
20:40
21:40
Cathays Park, Corbett Road
before
07:19
07:49
08:38
09:43
10:43
11:43
12:43
13:43
14:43
15:44
16:44
17:44
18:43
19:43
20:42
21:42
Maindy Stadium
opposite
07:22
07:52
08:41
09:46
10:46
11:46
12:46
13:46
14:46
15:48
16:48
17:48
18:46
19:46
20:45
21:45
Maindy, Parkfield Place
after
07:23
07:53
08:42
09:47
10:47
11:47
12:47
13:47
14:47
15:49
16:49
17:49
18:47
19:47
20:46
21:46
Gabalfa, North Road Clinic
outside
07:24
07:54
08:43
09:48
10:48
11:48
12:48
13:48
14:48
15:50
16:50
17:50
18:48
19:48
20:47
21:47
Birchgrove, Cross Inn
before
07:27
07:57
08:46
09:51
10:51
11:51
12:51
13:51
14:51
15:53
16:53
17:53
18:51
19:51
20:49
21:49
Birchgrove Stop 1
outside Principality
07:28
07:58
08:47
09:52
10:52
11:52
12:52
13:52
14:52
15:54
16:54
17:54
18:52
19:52
20:50
21:50
07:29
07:59
08:48
09:53
10:53
11:53
12:53
13:53
14:53
15:55
16:55
17:55
18:53
19:53
20:51
21:51
Birchgrove, Welwyn Road
before
07:30
08:00
08:49
09:54
10:54
11:54
12:54
13:54
14:54
15:56
16:56
17:56
18:54
19:54
20:52
21:52
Birchgrove, Kyle Avenue
before
07:31
08:01
08:50
09:55
10:55
11:55
12:55
13:55
14:55
15:57
16:57
17:57
18:55
19:55
20:53
21:53
Rhiwbina Station
before
07:33
08:03
08:52
09:57
10:57
11:57
12:57
13:57
14:57
15:59
16:59
17:59
18:57
19:57
20:55
21:55
Rhiwbina, Olive Branch
outside
07:33
08:03
08:53
09:58
10:58
11:58
12:58
13:58
14:58
16:00
17:00
18:00
18:57
19:57
20:55
21:55
Rhiwbina, Lon-y-Rhyd
after
07:35
08:05
08:54
09:59
10:59
11:59
12:59
13:59
14:59
16:01
17:01
18:01
18:59
19:59
20:57
21:57
Rhiwbina, Heol y Deri
after
07:36
08:06
08:55
10:00
11:00
12:00
13:00
14:00
15:00
16:02
17:02
18:02
19:00
20:00
20:58
21:58
Rhiwbina, Heol Nant Castan
before
07:36
08:06
08:56
10:01
11:01
12:01
13:01
14:01
15:01
16:03
17:03
18:03
19:00
20:00
20:58
21:58
Rhiwbina, Heol Llanishen Fach
outside 65
07:37
08:07
08:57
10:02
11:02
12:02
13:02
14:02
15:02
16:04
17:04
18:04
19:01
20:01
20:59
21:59
Rhiwbina, Heol Uchaf Spar
before
07:37
08:07
08:57
10:02
11:02
12:02
13:02
14:02
15:02
16:04
17:04
18:04
19:01
20:01
20:59
21:59
Rhiwbina, Heol Lewis
after
07:38
08:08
08:58
10:03
11:03
12:03
13:03
14:03
15:03
16:05
17:05
18:05
19:02
20:02
21:00
22:00
Rhiwbina, Gron Ffordd
before
07:39
08:09
08:59
10:04
11:04
12:04
13:04
14:04
15:04
16:06
17:06
18:06
19:03
20:03
21:01
22:01
Rhiwbina, Wenallt Road
before
07:40
08:10
09:00
10:05
11:05
12:05
13:05
14:05
15:05
16:07
17:07
18:07
19:04
20:04
21:02
22:02
Rhiwbina, Lon Ysgubor
after
07:41
08:11
09:01
10:06
11:06
12:06
13:06
14:06
15:06
16:08
17:08
18:08
19:05
20:05
21:03
22:03
Rhiwbina, The Deri
before
07:42
08:12
09:02
10:07
11:07
12:07
13:07
14:07
15:07
16:09
17:09
18:09
19:06
20:06
21:04
22:04
Rhiwbina Hill
opposite 52
07:43
08:13
09:03
10:08
11:08
12:08
13:08
14:08
15:08
16:10
17:10
18:10
19:07
20:07
21:05
22:05
Pantmawr, Caer Wenallt North
before
07:44
08:14
09:04
10:09
11:09
12:09
13:09
14:09
15:09
16:11
17:11
18:11
19:08
20:08
21:06
22:06
07:45
08:15
09:05
10:10
11:10
12:10
13:10
14:10
15:10
16:12
17:12
18:12
19:09
20:09
21:07
22:07
Coryton, Heol Pant Y Rhyn
before
07:46
08:16
09:06
10:11
11:11
12:11
13:11
14:11
15:11
16:13
17:13
18:13
19:10
20:10
21:08
22:08
Coryton, Hollybush Inn
before
07:47
08:17
09:07
10:12
11:12
12:12
13:12
14:12
15:12
16:14
17:14
18:14
19:11
20:11
21:09
22:09
Whitchurch Hospital
after
07:48
08:18
09:08
10:13
11:13
12:13
13:13
14:13
15:13
16:15
17:15
18:15
19:12
20:12
21:10
22:10
Whitchurch Library
opposite
07:49
08:19
09:09
10:14
11:14
12:14
13:14
14:14
15:14
16:16
17:16
18:16
19:13
20:13
21:11
22:11
Whitchurch, Plas y Llan
after
07:49
08:19
09:10
10:15
11:15
12:15
13:15
14:15
15:15
16:17
17:17
18:17
19:13
20:13
21:11
22:11
Whitchurch, Merthyr Road Shops
outside Opticians
07:50
08:20
09:11
10:16
11:16
12:16
13:16
14:16
15:16
16:18
17:18
18:18
19:14
20:14
21:12
22:12
Whitchurch, Three Elms
opposite
07:52
08:22
09:13
10:18
11:18
12:18
13:18
14:18
15:18
16:20
17:20
18:20
19:16
20:16
21:14
22:14
07:52
08:22
09:13
10:18
11:18
12:18
13:18
14:18
15:18
16:20
17:20
18:20
19:16
20:16
21:14
22:14
Whitchurch, The Philog
outside 71
07:54
08:24
09:15
10:20
11:20
12:20
13:20
14:20
15:20
16:22
17:22
18:22
19:18
20:18
21:16
22:16
Birchgrove, Cross Inn
before
07:55
08:25
09:16
10:21
11:21
12:21
13:21
14:21
15:21
16:23
17:23
18:23
19:19
20:19
21:17
22:17
Gabalfa, St Josephs Convent
outside former
07:57
08:27
09:19
10:24
11:24
12:24
13:24
14:24
15:24
16:25
17:25
18:25
19:21
20:21
21:19
22:19
Maindy, Cathays High School
outside
07:59
08:29
09:21
10:26
11:26
12:26
13:26
14:26
15:26
16:27
17:27
18:27
19:23
20:23
21:21
22:21
Blackweir, Rosemount
after
08:02
08:32
09:25
10:30
11:30
12:30
13:30
14:30
15:30
16:30
17:30
18:30
19:25
20:25
21:23
22:23
Cathays Park, College Road RK
outside
08:03
08:33
09:26
10:31
11:31
12:31
13:31
14:31
15:31
16:32
17:32
18:32
19:26
20:26
21:24
22:24
Cathays Park, Law Courts RJ
outside
08:04
08:34
09:28
10:33
11:33
12:33
13:33
14:33
15:33
16:33
17:33
18:33
19:27
20:27
21:25
22:25
Cardiff Castle, Kingsway GR
outside
08:05
08:35
09:29
10:34
11:34
12:34
13:34
14:34
15:34
16:34
17:34
18:34
19:28
20:28
21:26
22:26
Cardiff, Westgate Street KG
outside
08:07
08:37
09:32
10:37
11:37
12:37
13:37
14:37
15:37
16:37
17:37
18:37
19:30
20:30
21:28
22:28
08:10
08:40
09:35
10:40
11:40
12:40
13:40
14:40
15:40
16:40
17:40
18:40
19:32
20:32
21:30
22:30
Timetable data from Cardiff Bus, refreshed 2026-06-03 · Source: Traveline National Dataset (TNDS) · Service code CBAO021.
All stops shown
47 stops- Cardiff Bus Station, Cardiff Bus Interchange Bay 4
- Cardiff, Westgate Street KN outside
- Cardiff Castle, Kingsway GA outside
- Cathays Park, Corbett Road before
- Blackweir outside
- Maindy Stadium opposite
- Maindy, Parkfield Place after
- Gabalfa, North Road Clinic outside
- Birchgrove, Cross Inn before
- Birchgrove Stop 1 outside Principality
- Birchgrove, Pantbach Avenue after
- Birchgrove, Welwyn Road before
- Birchgrove, Kyle Avenue before
- Rhiwbina Station before
- Rhiwbina, Olive Branch outside
- Rhiwbina, Lon-y-Rhyd after
- Rhiwbina, Heol y Deri after
- Rhiwbina, Heol Nant Castan before
- Rhiwbina, Heol Llanishen Fach outside 65
- Rhiwbina, Heol Uchaf Spar before
- Rhiwbina, Heol Lewis after
- Rhiwbina, Gron Ffordd before
- Rhiwbina, Wenallt Road before
- Rhiwbina, Lon Ysgubor after
- Rhiwbina, The Deri before
- Rhiwbina Hill opposite 52
- Pantmawr, Caer Wenallt North before
- Pantmawr, Caer Wenallt South after
- Coryton, Heol Pant Y Rhyn before
- Coryton, Hollybush Inn before
- Whitchurch Hospital after
- Whitchurch Library opposite
- Whitchurch, Plas y Llan after
- Whitchurch, Merthyr Road Shops outside Opticians
- Whitchurch, Three Elms opposite
- Whitchurch, Ararat Church after
- Whitchurch, The Philog outside 71
- Birchgrove, Cross Inn before
- Gabalfa, St Josephs Convent outside former
- Maindy, Cathays High School outside
- Blackweir opposite
- Blackweir, Rosemount after
- Cathays Park, College Road RK outside
- Cathays Park, Law Courts RJ outside
- Cardiff Castle, Kingsway GR outside
- Cardiff, Westgate Street KG outside
- Cardiff Bus Station, Cardiff Bus Interchange Bay 4