Westbound - Platform 1
| Heathrow Terminal 5 | 45 secs |
| Heathrow Terminal 4 | 3:45 mins |
| Heathrow Terminal 5 | 8:16 mins |
| Heathrow Terminal 4 | 17:16 mins |
| Heathrow Terminal 5 | 19:16 mins |
| Heathrow Terminal 4 | 29:16 mins |
Eastbound - Platform 2
| Cockfosters | 2:16 mins |
| Cockfosters | 7:16 mins |
| Cockfosters | 13:16 mins |