Westbound - Platform 1
| Heathrow Terminal 4 | 7:18 mins |
| Rayners Lane | 9:18 mins |
| Heathrow Terminal 5 | 11:17 mins |
| Uxbridge | 17:17 mins |
| Heathrow Terminal 5 | 18:17 mins |
| Northfields | 20:17 mins |
| Heathrow Terminal 4 | 25:17 mins |
Eastbound - Platform 2
| Arnos Grove | 1:17 mins |
| Cockfosters | 5:17 mins |
| Cockfosters | 9:17 mins |
| Oakwood | 13:17 mins |
| Cockfosters | 16:17 mins |
| Cockfosters | 20:17 mins |
| Cockfosters | 24:17 mins |
| Arnos Grove | 25:17 mins |
| Cockfosters | 28:17 mins |