London Bus U4 Timetable
First bus, last bus and departure times at every stop
This is the full timetable for the number U4 bus in London, which runs between Prologis Park and Belmont Road. The table shows the first bus, the last bus and how often the U4 runs from each of the 37 stops in each direction. Times below are for buses towards Belmont Road (Mon-Fri). Use the toggles to switch direction or day, and tap any stop for its full hour by hour departure list.
This page shows TfL's scheduled times for the U4. Waiting at a stop right now? See live arrivals and the route map for bus U4 instead.
Tap any stop to see every scheduled departure, hour by hour, plus a link to its live arrivals.
Full U4 timetable from Prologis Park (Mon-Fri)
Every scheduled U4 bus departure from Prologis Park towards Belmont Road, Mon-Fri. For other days, use the day buttons above or tap any stop in the table.
Full U4 timetable from Uxbridge Station (Mon-Fri)
Every scheduled U4 bus departure from Uxbridge Station towards Prologis Park, Mon-Fri. For other days, use the day buttons above or tap any stop in the table.
First and Last are the earliest and latest scheduled departures from each stop in the chosen direction. Every is the typical daytime interval between buses from 07:00 to 19:00; buses may be more frequent at peak times and less frequent early and late. Times at the final stop are arrivals. Times at stops along the route are TfL's scheduled running times from the start of the route, so on busy days buses can run a few minutes later. Tap a stop row for its full list of departures. All times come from Transport for London's timetable data.
Source: TfL Timetable API
Bus U4 timetable FAQs
What time is the first U4 bus?
The first U4 bus leaves Prologis Park at 05:15 towards Belmont Road (Mon-Fri). From Uxbridge Station the first bus is at 05:15. Use the table above for the first bus from any stop on the route.
What time is the last U4 bus?
The last U4 bus leaves Prologis Park at 00:00 towards Belmont Road (Mon-Fri). From Uxbridge Station the last bus is at 00:00. Tap any stop in the table above to see its exact last departure.
How often does the U4 bus run?
During the day the U4 typically runs about every 10 minutes. Buses can be more frequent at peak times and less frequent early in the morning and late in the evening.
Does the U4 bus run on Sundays?
Yes. On Sundays the U4 runs from 05:15 until 00:00 from Prologis Park. Use the Sun button above to see full Sunday times.