London Paddington → Heathrow Express Terminal One
Live train times from London Paddington to Heathrow Express Terminal One, with around 181 direct services per day and a fastest typical journey of 16m. Operated by Heathrow Express and Elizabeth Line. Currently 74.4% of services are running on time today.
Based on the last 31 days of timetable data
Today's performance
30-day performance
Typical calling pattern
Trains from London Paddington to Heathrow Express Terminal One are non-stop on the fastest services, taking 00:16. Most services call at one or two of Reading, London Liverpool Street, Whitechapel. Some services extend to Bond Street, Tottenham Court Road, Farringdon. Slow services (00:32 typical) stop at up to 20 intermediate stations.
Which operator is most reliable on this route?
Heathrow Express runs the majority of direct services from London Paddington to Heathrow Express Terminal One. Over the last 30 days, 72.6% of Heathrow Express's services on this route ran on time, with an average delay of 1 minute and a cancellation rate of 5.8%. Elizabeth Line sees lower on-time performance (72.6%) but runs fewer services.
Why take the train?
The straight-line distance from London Paddington to Heathrow Express Terminal One is around 12 miles. By train the journey takes 00:16; the equivalent drive is typically 54m to 1h 04m depending on traffic, plus 30 minutes of city-centre parking. National Rail publishes average CO₂ emissions of ~35g per passenger-km for electric intercity trains — for this route that's roughly 0.7 kg CO₂ per passenger. The same trip in a petrol car with one occupant emits around 3.3 kg. Two passengers by train equals the per-person footprint of one passenger by car.
Delay Repay
Delay Repay for this route
All operators on this route participate in the National Rail Delay Repay scheme. Heathrow Express operates the DR15 scheme (15–29 min: 25%, 30–59 min: 50%, 60+ min: 100%). Claims can be made within 28 days of travel. Use Railly's Delay Repay calculator to check eligibility and pre-fill the operator's claim form.
Travel tips for this route
Off-peak return tickets are valid on any train after 09:30 on weekdays, all day on weekends. The first train is at 04:34 and the last at 23:33. If your train is delayed by 15 minutes or more, you can claim Delay Repay compensation directly from the operator.