Engineering work is taking place between London Paddington and Ealing Broadway, closing some lines.
From London Paddington to Heathrow Airport Terminal 5:
First train 05:10, then every 15 mins until 09:55.
Then at 10:25 and every 30 minutes until 22:25.
Then at 22:57, 23:12 and last train at 23:25.
(Additional shuttle will operate at 22:57 from Heathrow Terminals 2 & 3 to Heathrow Terminal 5).
From Haethrow Airport Terminal 5 to London Paddington:
First train 05:17, 05:27, then every 15 mins until 08:57, also at 09:14, 09:27 and 09:44.
Then at 09:57 and every 30 minutes until 22:57.
Then at 23:12, 23:29, 23:42 and last train at 23:57.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner