First U4 Bus: Start of Service
The first U4 of the day from every stop on the route
Up early for a flight or an early shift? The first U4 bus of the day leaves Prologis Park at 05:15 towards Belmont Road (Mon-Fri). The tables below show the scheduled first U4 departure from every stop, in each direction, for each day of the week. Stop names link to the full U4 timetable with every departure of the day.
To Belmont Road
| Stop | Mon-Fri | Sat | Sun |
|---|---|---|---|
| Prologis Park | 05:15 | 05:15 | 05:15 |
| Conway Drive | 05:16 | 05:16 | 05:16 |
| Glamis Crescent | 05:16 | 05:16 | 05:16 |
| Pinkwell Park | 05:17 | 05:17 | 05:17 |
| Pinkwell Infant School | 05:17 | 05:17 | 05:17 |
| Pinkwell Junior School | 05:18 | 05:18 | 05:18 |
| Ross Close | 05:19 | 05:19 | 05:19 |
| Waltham Avenue | 05:20 | 05:20 | 05:20 |
| Guinness Close | 05:21 | 05:21 | 05:21 |
| Pinkwell Avenue | 05:24 | 05:24 | 05:24 |
| Clement Gardens X | 05:25 | 05:25 | 05:25 |
| Redmead Road U | 05:26 | 05:26 | 05:26 |
| Millington Road P | 05:27 | 05:27 | 05:27 |
| Fairey Corner K | 05:28 | 05:28 | 05:28 |
| Hayes & Harlington Station L | 05:29 | 05:29 | 05:29 |
| Clayton Road M | 05:30 | 05:30 | 05:30 |
| Hayes Town Centre P | 05:31 | 05:31 | 05:31 |
| Printing House Lane J | 05:34 | 05:34 | 05:34 |
| Botwell Common D | 05:35 | 05:35 | 05:35 |
| Sycamore Avenue C | 05:37 | 05:37 | 05:37 |
| Lilac Gardens B | 05:38 | 05:38 | 05:38 |
| Princes Park Lane A | 05:39 | 05:39 | 05:39 |
| Wood End Park School | 05:40 | 05:40 | 05:40 |
| Goulds Green | 05:41 | 05:41 | 05:41 |
| Barwick Drive CE | 05:43 | 05:43 | 05:43 |
| Lees Road CF | 05:44 | 05:44 | 05:44 |
| Pield Heath Avenue CH | 05:45 | 05:45 | 05:45 |
| Micawber Avenue C | 05:46 | 05:46 | 05:46 |
| Hillingdon Hospital HA | 05:47 | 05:47 | 05:47 |
| Kingston Lane / Pentecostal Church HD | 05:49 | 05:49 | 05:49 |
| Brunel University BJ | 05:50 | 05:50 | 05:50 |
| The Greenway BE | 05:51 | 05:51 | 05:51 |
| Manor Waye / St Andrew's Park W | 05:53 | 05:53 | 05:53 |
| St Andrew's Church X | 05:54 | 05:54 | 05:54 |
| Civic Centre U | 05:55 | 05:55 | 05:55 |
| Crown Walk P | 05:57 | 05:57 | 05:57 |
| Belmont Road D | 05:59 | 05:59 | 05:59 |
To Prologis Park
| Stop | Mon-Fri | Sat | Sun |
|---|---|---|---|
| Uxbridge Station N | 05:15 | 05:15 | 05:15 |
| Uxbridge High Street B | 05:16 | 05:16 | 05:16 |
| Crown Walk R | 05:17 | 05:17 | 05:17 |
| Vine Street T | 05:18 | 05:18 | 05:18 |
| St Andrew's Church Y | 05:20 | 05:20 | 05:20 |
| Manor Waye / St Andrew's Park Z | 05:20 | 05:20 | 05:20 |
| The Greenway BD | 05:22 | 05:22 | 05:22 |
| Ivybridge Close BG | 05:23 | 05:23 | 05:23 |
| Brunel University BH | 05:24 | 05:24 | 05:24 |
| Brunel University Sports Park HC | 05:25 | 05:25 | 05:25 |
| Hillingdon Hospital HB | 05:26 | 05:26 | 05:26 |
| Colham Road A | 05:27 | 05:27 | 05:27 |
| Micawber Avenue B | 05:28 | 05:28 | 05:28 |
| Pield Heath Avenue CJ | 05:29 | 05:29 | 05:29 |
| Lees Road CC | 05:30 | 05:30 | 05:30 |
| Lady Craig Court CD | 05:30 | 05:30 | 05:30 |
| Merrimans Corner / Harlington Road | 05:31 | 05:31 | 05:31 |
| Corwell Gardens | 05:33 | 05:33 | 05:33 |
| Wood End Park School | 05:34 | 05:34 | 05:34 |
| Princes Park Lane SA | 05:35 | 05:35 | 05:35 |
| Lilac Gardens SB | 05:37 | 05:37 | 05:37 |
| Willenhall Drive SC | 05:39 | 05:39 | 05:39 |
| Botwell Common SH | 05:40 | 05:40 | 05:40 |
| Printing House Lane SJ | 05:41 | 05:41 | 05:41 |
| Botwell Green SP | 05:43 | 05:43 | 05:43 |
| Hayes Town Centre D | 05:44 | 05:44 | 05:44 |
| Hayes & Harlington Station E | 05:46 | 05:46 | 05:46 |
| Fairey Corner F | 05:47 | 05:47 | 05:47 |
| Redmead Road R | 05:49 | 05:49 | 05:49 |
| Clement Gardens W | 05:50 | 05:50 | 05:50 |
| Pinkwell Avenue | 05:50 | 05:50 | 05:50 |
| Guinness Close | 05:53 | 05:53 | 05:53 |
| Colbrook Avenue | 05:54 | 05:54 | 05:54 |
| Elers Road | 05:55 | 05:55 | 05:55 |
| Harlington School | 05:56 | 05:56 | 05:56 |
| Pinkwell Junior School | 05:57 | 05:57 | 05:57 |
| Pinkwell Park | 05:58 | 05:58 | 05:58 |
| Skipton Drive | 06:00 | 06:00 | 06:00 |
| Prologis Park | 06:01 | 06:01 | 06:01 |
Times are TfL's scheduled first departures from each stop in the given direction; the final stop's time is an arrival. Columns cover the days shown in their heading, and the highlighted column is today. On busy mornings buses can run a few minutes later than scheduled, so allow a small buffer if the first bus matters for a connection.
First U4 bus 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 tables above for the first bus from any stop on the route.
What time is the first U4 bus on a Sunday?
On Sundays the first U4 bus leaves Prologis Park at 05:15. Sunday service usually starts later than on weekdays, so check the Sun column above for your stop.
Where does the first U4 bus start from?
The U4 starts from Prologis Park and runs to Belmont Road, and in the other direction from Uxbridge Station. Buses reach stops along the route a few minutes after leaving the start, and the tables above show the scheduled first departure at every stop.
Planning the other end of the day?
See every U4 departure and the last bus from your stop, or check live arrivals while you wait.
Full U4 timetable → Live U4 arrivals →