St. Mary's (ISC)
St. Mary's Airport handled 9,184 passengers in July 2026, up 4.1% on a year earlier, according to the UK CAA.
Official · July 2026 according to the UK CAA Full count · domestic + international
Flights (arrivals + departures) over time
0 200 400 600 800 1,000 998
January 2024 September 2024 April 2025 December 2025 July 2026 The most recent periods19 periods
| Period | Flights (arrivals + departures) 2025 | Flights (arrivals + departures) 2026 | Change vs last year |
|---|
| January | 388 | 410 | ▲ 5.7% |
| February | 396 | 410 | ▲ 3.5% |
| March | 566 | 512 | ▼ 9.5% |
| April | 792 | 738 | ▼ 6.8% |
| May | 1,023 | 878 | ▼ 14.2% |
| June | 847 | 700 | ▼ 17.4% |
| July | 912 | 998 | ▲ 9.4% |
| August | 1,080 | – | – |
| September | 938 | – | – |
| October | 586 | – | in progress |
| November | 416 | – | – |
| December | 496 | – | – |
| Year to date (Jan–Jul) | 4,924 | 4,646 | ▼ 5.6% |
|---|
Passengers over time
Full count · domestic + international January 2024 September 2024 April 2025 December 2025 July 2026 The most recent periods19 periods
| Period | Passengers 2025 | Passengers 2026 | Change vs last year |
|---|
| January | 2,511 | 2,630 | ▲ 4.7% |
| February | 2,952 | 2,755 | ▼ 6.7% |
| March | 3,982 | 3,445 | ▼ 13.5% |
| April | 7,119 | 6,356 | ▼ 10.7% |
| May | 9,445 | 7,295 | ▼ 22.8% |
| June | 6,845 | 6,106 | ▼ 10.8% |
| July | 8,826 | 9,184 | ▲ 4.1% |
| August | 10,799 | – | – |
| September | 8,767 | – | – |
| October | 5,297 | – | in progress |
| November | 2,743 | – | – |
| December | 2,958 | – | – |
| Year to date (Jan–Jul) | 41,680 | 37,771 | ▼ 9.4% |
|---|
Tonnes of cargo over time
Full count · domestic + international January 2024 September 2024 April 2025 December 2025 July 2026 The most recent periods19 periods
| Period | Tonnes of cargo 2025 | Tonnes of cargo 2026 | Change vs last year |
|---|
| January | 31 | 34 | ▲ 10.2% |
| February | 29 | 25 | ▼ 14.6% |
| March | 33 | 34 | ▲ 4.0% |
| April | 27 | 23 | ▼ 17.5% |
| May | 26 | 20 | ▼ 20.6% |
| June | 24 | 20 | ▼ 16.9% |
| July | 28 | 23 | ▼ 18.9% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 25 | – | in progress |
| November | 26 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 197 | 177 | ▼ 9.8% |
|---|
Seasonality · flights (arrivals + departures) by month
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| 2024 | 280 | 342 | 510 | 708 | 1,044 | 856 | 818 | 930 | 876 | 604 | 398 | 352 |
|---|
| 2025 | 388 | 396 | 566 | 792 | 1,023 | 847 | 912 | 1,080 | 938 | 586 | 416 | 496 |
|---|
| 2026 | 410 | 410 | 512 | 738 | 878 | 700 | 998 | | | | | |
|---|
Series depth 26 years from 2000