Union Hills Dr & 21st Av
Stop 16829 · Phoenix Valley Metro · Route 186
Union Hills Dr & 21st Av is a bus stop on the Phoenix Valley Metro network (stop 16829), served by Route 186 to 51st Ave+Union Hills. On weekdays buses run from 4:37 am to 11:37 pm.
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Scheduled times. The first bus of the day leaves at 4:37 am.
Route 186 to 51st Ave+Union Hills
Monday to Friday, 39 buses
| 4 am | 37 |
|---|---|
| 5 am | 0737 |
| 6 am | 0737 |
| 7 am | 0737 |
| 8 am | 0737 |
| 9 am | 0838 |
| 10 am | 0838 |
| 11 am | 0839 |
| 12 pm | 0939 |
| 1 pm | 0939 |
| 2 pm | 0939 |
| 3 pm | 0939 |
| 4 pm | 0939 |
| 5 pm | 0838 |
| 6 pm | 0838 |
| 7 pm | 0838 |
| 8 pm | 0838 |
| 9 pm | 0737 |
| 10 pm | 0737 |
| 11 pm | 0737 |
Saturday, 37 buses
| 5 am | 47 |
|---|---|
| 6 am | 1747 |
| 7 am | 1747 |
| 8 am | 1747 |
| 9 am | 1747 |
| 10 am | 1747 |
| 11 am | 1949 |
| 12 pm | 1949 |
| 1 pm | 1949 |
| 2 pm | 1949 |
| 3 pm | 1949 |
| 4 pm | 1949 |
| 5 pm | 1949 |
| 6 pm | 1747 |
| 7 pm | 1747 |
| 8 pm | 1747 |
| 9 pm | 1747 |
| 10 pm | 1747 |
| 11 pm | 1747 |
Sunday, 37 buses
| 5 am | 46 |
|---|---|
| 6 am | 1646 |
| 7 am | 1648 |
| 8 am | 1848 |
| 9 am | 1848 |
| 10 am | 1848 |
| 11 am | 1848 |
| 12 pm | 1848 |
| 1 pm | 1848 |
| 2 pm | 1848 |
| 3 pm | 1848 |
| 4 pm | 1848 |
| 5 pm | 1848 |
| 6 pm | 1848 |
| 7 pm | 1848 |
| 8 pm | 1747 |
| 9 pm | 1747 |
| 10 pm | 1747 |
| 11 pm | 1747 |
Read each row as the hour, then the minutes past it: 7 then 05 35 means 7:05 and 7:35. Bold hours are pm. Scheduled times from Phoenix Valley Metro’s official schedule data, refreshed October 4, 2026. Not live arrivals.
Questions about Union Hills Dr & 21st Av
Which buses stop at Union Hills Dr & 21st Av?
Route 186 to 51st Ave+Union Hills stops at Union Hills Dr & 21st Av (stop 16829) in Phoenix Valley Metro.
When is the first and last bus at Union Hills Dr & 21st Av?
Monday: first bus 4:37 am, last 11:37 pm (39 buses). Saturday: first bus 5:47 am, last 11:47 pm (37 buses). Sunday: first bus 5:46 am, last 11:47 pm (37 buses). Public holiday schedules can differ; each route page lists them.
How often do buses come to Union Hills Dr & 21st Av?
On a Monday about 2 buses an hour stop here between 7:00 am and 7:00 pm (24 in those twelve hours, all routes together).
What other stops are near Union Hills Dr & 21st Av?
The closest are Union Hills Dr & 21st Av (16786, about 1 min walk), Union Hills Dr & 23rd Av (16785, about 2 min walk), Union Hills Dr & 23rd Av (16830, about 4 min walk).
Are these live arrival times?
No. They are the scheduled times from Phoenix Valley Metro’s published schedule, refreshed October 4, 2026. A bus can run early or late, and disruptions are not shown.
Source: Valley Metro open data (GTFS schedule for Phoenix Valley Metro), used under the ODC Attribution License. Refreshed October 4, 2026; the current timetable runs to January 24, 2027. Changes made: times reformatted into timetables and departure lists.