Station · Great Britain

Mountain Ash

Name: Mountain Ash punctuality
Creator: Rail
License: https://creativecommons.org/licenses/by/4.0/

Trains at Mountain Ash arrived on average 1 min late over the last 30 days, based on 56 timed arrivals out of 67 services; 98% 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.

98%
within 5 min, of 56: 1 min
late on average: 0
cancelled, of 67

Live

Next departures

Board as of 10:08 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.

Merthyr Tydfil
10:02 · Platform 2 · updated 10:0510:02On time

Aberdare
10:03 · Platform 1 (expected) · updated 09:4010:03Cancelled

Merthyr Tydfil
10:32 · Platform 2 (expected) · updated 10:0110:32Cancelled

Aberdare
10:33 · Platform 1 (expected) · updated 10:0810:33On time

Merthyr Tydfil
11:02 · Platform 2 (expected) · updated 09:4611:02On time

Aberdare
11:03 · Platform 1 (expected) · updated 10:0611:03On time

Merthyr Tydfil
11:32 · Platform 2 (expected) · updated 09:5411:32On time

Aberdare
11:33 · Platform not yet known · updated 10:0311:33On time

All 10 departures in the next two hours

Punctuality

How trains here have run

Trains at Mountain Ash arrived on average 1 min late over the last 30 days, based on 56 timed arrivals out of 67 services; 98% were within 5 minutes. Half of them were on time and four in five were within 1 min. No services were cancelled over the last 30 days. The platform changed after being announced on 1% of 67 calls with a platform. The busiest hour is 07:00–08:00 (4 services); the worst day was Monday 14 September 2026 (1 min late on average).

Punctuality at Mountain Ash, 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.
Measure	7 days14 September 2026 – 14 September 2026	30 days14 September 2026 – 14 September 2026	All time14 September 2026 – 14 September 2026
Services	67	67	67
Within 5 minutes	98% of 56	98% of 56	98% of 56
Average delay	1 min of 56	1 min of 56	1 min of 56
Half were within	under a minute	under a minute	under a minute
Four in five were within	1 min	1 min	1 min
Cancelled	0 of 67	0 of 67	0 of 67
Cancelled at some stops	0	0	0
Platform changed	1% of 67	1% of 67	1% of 67
Busiest hour	07:00–08:00 (4)	07:00–08:00 (4)	07:00–08:00 (4)
Worst day	14 September 2026 (1 min)	14 September 2026 (1 min)	14 September 2026 (1 min)

Routes from here

No route from here has 20 services yet.

Operators

Transport for Wales353 calls in the last 30 days

Nearby stations

About this station

Country: Great Britain
CRS code: MTA
Coordinates: 51.6834, -3.3785

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.