Westbound - Platform 1
| Richmond | 3:57 mins |
| Ealing Broadway | 8:57 mins |
Westbound - Platform 2
| Heathrow Terminal 4 | 2:58 mins |
| Uxbridge | 5:58 mins |
| Rayners Lane | 13:58 mins |
| Heathrow Terminal 5 | 17:59 mins |
| Heathrow Terminal 4 | 20:59 mins |
| Uxbridge | 23:59 mins |
| Heathrow Terminal 5 | 25:59 mins |
Eastbound - Platform 3
| Check Front of Train | 3:59 mins |
| Cockfosters | 5:59 mins |
| Cockfosters | 9:59 mins |
| Arnos Grove | 16:59 mins |
Eastbound - Platform 4
| Check Front of Train | 2:27 mins |
| Upminster | 8:57 mins |