Route · Great Britain
Portsmouth Harbour to London Waterloo
Trains from Portsmouth Harbour to London Waterloo arrived on average 5 min late over the last 30 days, based on 48 timed arrivals out of 55 services; 56% were within 5 minutes.
- 56%
- within 5 min at London Waterloo, of 48
- 5 min
- late on average
- 0
- cancelled, of 55
Punctuality
How this route has run
A service counts on this route when Portsmouth Harbour is its origin and London Waterloo its destination; delay is measured on arrival at London Waterloo. Half of them were within 3 min and four in five were within 8 min. No services were cancelled over the last 30 days. The platform changed after being announced on 0% of 55 calls with a platform. The busiest hour is 07:00–08:00 (5 services); the worst day was Monday 14 September 2026 (5 min late on average).
| Measure | 7 days14 September 2026 – 14 September 2026 | 30 days14 September 2026 – 14 September 2026 | All time14 September 2026 – 14 September 2026 |
|---|---|---|---|
| Services | 55 | 55 | 55 |
| Within 5 minutes | 56% of 48 | 56% of 48 | 56% of 48 |
| Average delay | 5 min of 48 | 5 min of 48 | 5 min of 48 |
| Half were within | 3 min | 3 min | 3 min |
| Four in five were within | 8 min | 8 min | 8 min |
| Cancelled | 0 of 55 | 0 of 55 | 0 of 55 |
| Cancelled at some stops | 0 | 0 | 0 |
| Platform changed | 0% of 55 | 0% of 55 | 0% of 55 |
| Busiest hour | 07:00–08:00 (5) | 07:00–08:00 (5) | 07:00–08:00 (5) |
| Worst day | 14 September 2026 (5 min) | 14 September 2026 (5 min) | 14 September 2026 (5 min) |
Who runs it
- South Western Railway275 services in the last 30 days
See also
- Portsmouth Harbour station: live departures and every route from there
- London Waterloo station
- The other way: London Waterloo to Portsmouth Harbour (54 services, 54% within 5 min)
- Leaderboards