Observatory · United Kingdom
On time now89%under 5 min · 9 trains tracked live
Within 15 min100%now, the same trains
Today72%on time since the start of the day · 91% within 15 min
Average delay4.5 minper train tracked today, on-time trains included
The last 12 months
80% and over65 to 79%under 65%within 15 mincurrent period
Minutes of delay per tracked train, on-time trains included.
12 days measured: the observatory has been measuring since 3 November 2026.
Most delayed, right now
Routes, over 12 months
Most punctualGatwick Airport – Redhill36 trains arrived · 100% within 15 min100%Highbury & Islington – New Cross Gate173 trains arrived · 100% within 15 min99%Barking Riverside – Gospel Oak41 trains arrived · 100% within 15 min98%
Least punctualDover Priory – London St Pancras (Intl)30 trains arrived · 67% within 15 min17%East Grinstead – London Victoria33 trains arrived · 79% within 15 min21%London Liverpool Street – Witham31 trains arrived · 77% within 15 min23%
On time at the final stop (under 5 min), both directions, over 12 days.Share this pageThe figures are updated every minute.
How we measure
On time: under 5 min
A train counts as on time if it is less than 5 minutes late at its next station. Trains without live data are not counted.
Within 15 min
The broad threshold, close to what most operators report: the share of tracked trains less than 15 minutes late.
Every minute
Every minute, the state of each tracked train is recorded; the day is the average.
A usual day
The comparison is with the average of the four previous same weekdays, as soon as two of them have been measured.