Westbound - Platform 1
| Heathrow Terminal 4 | 8:34 mins |
| Heathrow Terminal 5 | 11:34 mins |
| Heathrow Terminal 4 | 16:33 mins |
| Heathrow Terminal 5 | 23:33 mins |
| Heathrow Terminal 4 | 27:33 mins |
Westbound - Platform 2
| Heathrow Terminal 5 | 3 secs |
| Heathrow Terminal 4 | 9:33 mins |
| Heathrow Terminal 5 | 12:33 mins |
| Heathrow Terminal 4 | 17:34 mins |
| Heathrow Terminal 5 | 24:34 mins |
| Heathrow Terminal 4 | 28:34 mins |
Eastbound - Platform 3
| Arnos Grove | 3:04 mins |
| Cockfosters | 8:34 mins |
| Cockfosters | 15:33 mins |
Eastbound - Platform 4
| Arnos Grove | 3:03 mins |
| Cockfosters | 8:33 mins |
| Cockfosters | 14:33 mins |