| | | August | September | October | November | December | January | Total | Weather | Number of Delays | 17,519 | 11,552 | 11,344 | 13,391 | 16,307 | 16,174 | 86,287 | % of Total NAS Delayed Operations | 58.06% | 49.15% | 48.23% | 45.84% | 47.12% | 44.34% | 48.61% | Delayed Minutes | 1,104,792 | 576,458 | 604,822 | 681,167 | 890,466 | 861,723 | 4,719,428 | % of Total NAS Delayed Minutes | 67.99% | 56.79% | 60.33% | 56.85% | 56.15% | 47.23% | 57.20% | Non-Weather | Number of Delays | 12,653 | 11,953 | 12,175 | 15,820 | 18,304 | 20,306 | 91,211 | % of Total NAS Delayed Operations | 41.94% | 50.85% | 51.77% | 54.16% | 52.88% | 55.66% | 51.39% | Delayed Minutes | 520,073 | 438,671 | 397,732 | 516,911 | 695,529 | 962,923 | 3,531,839 | % of Total NAS Delayed Minutes | 32.01% | 43.21% | 39.67% | 43.15% | 43.85% | 52.77% | 42.80% |
|
|
| A flight is considered delayed when it arrived 15 or more minutes than the schedule (see definitions in Frequently Asked Questions). Delayed minutes are calculated for delayed flights only.
SOURCE: Federal Aviation Administration OPSNET | More Topics: | Ontime Arrival Performance | Flight Delays by Cause | Weather's Share of Delayed Flights | National Aviation System (NAS) Delay by Cause | |
|
|