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| | On-Time Performance - Reporting Operating Carrier Flight Delays at a Glance |
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| January to October |
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| | Marketing Carrier Flight Delays ... More Analysis ... Delays and Causes ... Holiday Flight Delays ... | |
- 2012 81.99
- 2013 78.78
- 2014 75.94
- 2015 79.76
- 2016 81.50
- 2017 79.40
- 2018 79.26
- 2019 78.72
- 2020 83.74
- 2021 81.46
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- 2012 16.51
- 2013 19.57
- 2014 21.43
- 2015 18.39
- 2016 17.04
- 2017 18.77
- 2018 18.77
- 2019 19.00
- 2020 9.13
- 2021 16.53
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- 2012 1.29
- 2013 1.42
- 2014 2.38
- 2015 1.59
- 2016 1.21
- 2017 1.60
- 2018 1.72
- 2019 2.01
- 2020 6.96
- 2021 1.76
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| Year | Ontime Arrivals | Ontime (%) | Arrival Delays | Delayed (%) | Flights Cancelled | Cancelled (%) | Diverted | Flight Operations | | 2012 | 4,193,462 | 81.99% | 844,597 | 16.51% | 65,787 | 1.29% | 10,692 | 5,114,538 | | 2013 | 4,214,148 | 78.78% | 1,046,967 | 19.57% | 76,183 | 1.42% | 12,149 | 5,349,447 | | 2014 | 3,706,224 | 75.94% | 1,045,708 | 21.43% | 115,948 | 2.38% | 12,694 | 4,880,574 | | 2015 | 3,885,828 | 79.76% | 896,096 | 18.39% | 77,222 | 1.59% | 12,731 | 4,871,877 | | 2016 | 3,835,230 | 81.50% | 801,775 | 17.04% | 57,087 | 1.21% | 11,679 | 4,705,771 | | 2017 | 3,776,463 | 79.40% | 892,874 | 18.77% | 75,951 | 1.60% | 10,966 | 4,756,254 | | 2018 | 4,782,268 | 79.26% | 1,132,251 | 18.77% | 103,578 | 1.72% | 15,329 | 6,033,426 | | 2019 | 4,875,856 | 78.72% | 1,176,657 | 19.00% | 124,686 | 2.01% | 16,622 | 6,193,821 | | 2020 | 3,309,852 | 83.74% | 360,985 | 9.13% | 275,153 | 6.96% | 6,640 | 3,952,630 | | 2021 | 3,988,127 | 81.46% | 809,509 | 16.53% | 86,307 | 1.76% | 12,010 | 4,895,953 |
* For purposes of this report, a flight is considered delayed if it arrived at (or departed) the gate 15 minutes or more after the scheduled arrival (departure) time as reflected in the Computerized Reservation System.
** The information is based on data submitted by reporting carriers. The number of reporting carriers varies as follows: 14 from 1987 to 1988, 13 in 1989, 12 from 1990 to 1991, 10 from 1992 to 1999, 11 in 2000, 12 in 2001, 10 in 2002, 18 in 2003, 19 in 2004, 20 from 2005 to 2008, 19 in 2009, 18 in 2010, 16 in 2011, 15 in 2012, 16 in 2013, 14 in 2014, 14 in 2015, 12 in 2016, 12 in 2017, 18 in 2018, 17 in 2019, 17 in 2020, 17 in 2021. (See Reporting Carriers by Year). In the dropdown list, All Major Carriers 1987-Present refers to the 10 major carriers that reported for all years or merged into another major carrier. They are Alaska Airlines, America West (merged into US Airways starting January 2006), American Airlines, Continental Airlines (merged into United Airlines starting January 2012), Delta Air Lines, Northwest Airlines (merged into Delta Air Lines starting January 2010), Southwest Airlines, Trans World Airways (merged into American Airlines starting January 2002), United Airlines, and US Airways (merged into American Airlines starting July 2015). |
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