For the calendar year 2010, 2,106,689 aeroplanes were managed by NATS controllers, compared to 2,200,326 for 2009. For December, flights were reduced by 6.6. per cent compared to the same month the previous year.
The reduction can be attributed in part to the impact of the freezing spells in November and December – both in the UK and abroad – and the volcanic ash cloud in April and May.
Of all market sectors, only transatlantic overflights posted positive growth over the course of the year with an increase of 0.1 per cent.
| Dec 2010 | Dec 2009 | % gr | CY 2010 | CY 2009 | % gr | |
| UK FLIGHTS | 144,688 | 154,885 | -6.6% | 2,106,689 | 2,200,326 | -4.3% |
| CENTRES | ||||||
| Swanwick | 123,529 | 132,646 | -6.9% | 1,818,029 | 1,898,318 | -4.2% |
| Prestwick | 59,191 | 63,602 | -6.9% | 863,910 | 921,450 | -6.2% |
| London Area Control | 117,682 | 125,450 | -6.2% | 1,733,570 | 1,803,744 | -3.9% |
| London Terminal Control | 83,015 | 92,222 | -10.0% | 1,202,581 | 1,259,241 | -4.5% |
| Manchester Area Control Centre | 30,220 | 32,756 | -7.7% | 452,866 | 489,429 | -7.5% |
| Scottish Area Control Centre | 37,021 | 39,929 | -7.3% | 527,589 | 558,169 | -5.5% |
| Oceanic Area Control Centre (Shanwick) | 29,740 | 28,420 | 4.6% | 388,156 | 389,739 | -0.4% |
| MARKET | ||||||
| Transatlantic Arrivals/Departures | 8,872 | 9,225 | -3.8% | 120,373 | 123,293 | -2.4% |
| Transatlantic Overflights | 14,604 | 13,349 | 9.4% | 186,988 | 186,718 | 0.1% |
| Other Arrivals/Departures | 86,633 | 92,512 | -6.4% | 1,290,665 | 1,344,343 | -4.0% |
| Other Overflights | 6,607 | 7,119 | -7.2% | 97,170 | 106,782 | -9.0% |
| Domestic | 27,688 | 32,394 | -14.5% | 405,867 | 434,789 | -6.7% |
