Planes overhead in B21
Birmingham and Sandwell, West Midlands. All 437 of its postcodes measured, January to August 2026.
From Birmingham
Planes land and take off into the wind, so the weather decides which way Birmingham flies, and that decides how many pass over B21. Across its postcodes, January to August 2026:
- On a day it flies west (38% of days): up to 9 a day; of its 437 postcodes, 437 under 10
- On a day it flies both ways (24% of days): up to 14 a day; of its 437 postcodes, 321 at 10 to 99, 116 under 10
- On a day it flies east (38% of days): up to 21 a day; of its 437 postcodes, 355 at 10 to 99, 82 under 10
The table counts the postcodes of each sector by how many planes pass over them a day: 100 or more, 10 to 99, or under 10.
| Sector | Flying west38% of days | Both ways24% of days | Flying east38% of days |
|---|---|---|---|
| B21 0166 postcodes | 166 under 10 | 166 at 10 to 99 | 164 at 10 to 992 under 10 |
| B21 15 postcodes | 5 under 10 | 5 at 10 to 99 | 5 under 10 |
| B21 8111 postcodes | 111 under 10 | 65 at 10 to 9946 under 10 | 104 at 10 to 997 under 10 |
| B21 9155 postcodes | 155 under 10 | 85 at 10 to 9970 under 10 | 87 at 10 to 9968 under 10 |
What counts as overhead
Overhead means more than halfway up the sky (48.5 degrees or more) and below 7,000 ft, the CAA's definition of an overflight (CAP 1498). A day counts as one way when 80% of its flights used that way.
Near B21
The councils
Where these figures come from
Counted from community flight tracking, checked against the CAA's monthly totals for Birmingham. Flight tracks: adsb.lol (ODbL 1.0); Weather at each airport: Iowa Environmental Mesonet; Ground heights: Contains OS data © Crown copyright and database right; Postcode positions: ONS National Statistics Postcode Lookup (OGL). Licence: Open Database License (ODbL) 1.0.