| First train | 06:41 | |
|---|---|---|
| Last train | 19:21 | |
| Departure station | Luton Airport | |
| Arrival station | Llantwit Major | |
| Journey time | From 4h 1m | |
| Frequency | 4 trains per day | |
| Changes | 4 changes | |
| Train operators | East Midlands Railway, Great Western Railway, Thameslink, Transport for Wales |
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