Station · Great Britain

Cardiff Bay

Trains at Cardiff Bay arrived on average under a minute late over the last 30 days, based on 82 timed arrivals out of 140 services; 100% were within 5 minutes.

Counted from 14 September 2026 to 14 September 2026, as of 14 September 2026. Facts from the rail feeds we archive; nothing on this page is a prediction. How we count.

100%
within 5 min, of 82
under a minute
late on average
34
cancelled, of 140

Live

Next departures

Board as of 10:57 London time; each train shows when its last update arrived. Times are the feed's own; a platform is marked expected until the operator confirms it.

Cardiff Queen Street
10:56 · Platform 2 (expected) · updated 10:4810:56On time
Pontypridd
11:08 · Platform 2 (expected) · updated 10:4711:08On time
Cardiff Queen Street
11:26 · Platform 2 (expected) · updated 04:3011:26On time
Pontypridd
11:38 · Platform 2 (expected) · updated 10:4411:38On time
Cardiff Queen Street
11:56 · Platform 2 (expected) · updated 10:4211:56On time
Pontypridd
12:08 · Platform not yet known · updated 10:1412:08On time
Cardiff Queen Street
12:26 · Platform 2 (expected) · updated 04:3012:26On time
Pontypridd
12:38 · Platform 2 (expected) · updated 10:0412:38On time

All 9 departures in the next two hours

Punctuality

How trains here have run

Trains at Cardiff Bay arrived on average under a minute late over the last 30 days, based on 82 timed arrivals out of 140 services; 100% were within 5 minutes. Half of them were on time and four in five were within 1 min. 34 services were cancelled (24.3%) and 2 more were cancelled at some stops. The platform changed after being announced on 0% of 140 calls with a platform. The busiest hour is 07:00–08:00 (8 services); the worst day was Monday 14 September 2026 (under a minute late on average).

Punctuality at Cardiff Bay, measured at this station against the public timetable. Rates show the sample they are counted from; “—” means no figure. Platform changes are counted over calls with a platform.
Measure7 days14 September 2026 – 14 September 202630 days14 September 2026 – 14 September 2026All time14 September 2026 – 14 September 2026
Services140140140
Within 5 minutes100% of 82100% of 82100% of 82
Average delayunder a minute of 82under a minute of 82under a minute of 82
Half were withinunder a minuteunder a minuteunder a minute
Four in five were within1 min1 min1 min
Cancelled34 of 14034 of 14034 of 140
Cancelled at some stops222
Platform changed0% of 1400% of 1400% of 140
Busiest hour07:00–08:00 (8)07:00–08:00 (8)07:00–08:00 (8)
Worst day14 September 2026 (under a minute)14 September 2026 (under a minute)14 September 2026 (under a minute)

Routes from here

Routes to here

Operators

Nearby stations

About this station

Country
Great Britain
CRS code
CDB
Coordinates
51.4663, -3.1660

Every figure on this page is a count over the feed messages we archive, measured at this station against the public timetable. See the leaderboards or every station in Great Britain.