Ranked by Percent of Flight Operations Not Arriving On-Time
| Rank | Carrier | Flight Number | Month | Origin-Dest | Scheduled Departure Time | Number of Operations (minimum of 10 per month) | Number of Flight Operations Not Arriving On-Time* | Percent of Flight Operations Not Arriving On-Time* | Average Number of Minutes of Delay (30 min late flights only)** |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Continental | 387 | Feb | EWR-SNA | 1155 | 10 | 10 | 100.00 | 59 |
| 2 | American | 1462 | Feb | ORD-EWR | 850 | 10 | 9 | 90.00 | 118 |
| 3 | Continental | 1635 | Feb | EWR-PHX | 1630 | 12 | 10 | 83.33 | 75 |
| 4 | Continental | 1726 | Feb | EWR-SAN | 1520 | 12 | 10 | 83.33 | 58 |
| 5 | ExpressJet | 5955 | Feb | ORD-OKC | 2013 | 12 | 10 | 83.33 | 125 |
| 6 | SkyWest | 5800 | Feb | ATL-CLE | 1235 | 10 | 8 | 80.00 | 63 |
| 7 | American Eagle | 3854 | Feb | JFK-ORD | 2045 | 19 | 15 | 78.95 | 75 |
| 8 | ExpressJet | 5971 | Feb | ORD-ROA | 1936 | 13 | 10 | 76.92 | 84 |
| 9 | Continental | 1581 | Feb | SEA-ANC | 1310 | 12 | 9 | 75.00 | 66 |
| 10 | ExpressJet | 6160 | Feb | ORD-FSD | 1303 | 12 | 9 | 75.00 | 121 |
| 11 | ExpressJet | 6097 | Feb | ORD-MEM | 818 | 16 | 12 | 75.00 | 94 |
| 12 | ExpressJet | 5957 | Feb | ORD-SYR | 1854 | 12 | 9 | 75.00 | 123 |
| 13 | JetBlue | 988 | Feb | MCO-JFK | 1650 | 12 | 9 | 75.00 | 106 |
| 14 | ExpressJet | 6082 | Feb | ALB-ORD | 600 | 11 | 8 | 72.73 | 93 |
| 15 | Southwest | 32 | Feb | MDW-PIT | 1915 | 11 | 8 | 72.73 | 70 |
| 16 | SkyWest | 6962 | Feb | ORD-DTW | 1603 | 18 | 13 | 72.22 | 61 |
| 17 | Southwest | 340 | Feb | DAL-LIT | 2035 | 14 | 10 | 71.43 | 65 |
| 18 | Southwest | 3870 | Feb | PDX-RNO | 1805 | 14 | 10 | 71.43 | 70 |
| 19 | American Eagle | 3729 | Feb | PHL-ORD | 1955 | 24 | 17 | 70.83 | 82 |
| 20 | Continental | 784 | Feb | EWR-PDX | 1800 | 17 | 12 | 70.59 | 64 |
| 21 | American Eagle | 3835 | Feb | DCA-JFK | 1805 | 27 | 19 | 70.37 | 94 |
| 22 | American Eagle | 3776 | Feb | MSY-ORD | 730 | 10 | 7 | 70.00 | 143 |
| 23 | ExpressJet | 6093 | Feb | ORD-CRW | 1949 | 10 | 7 | 70.00 | 149 |
| 24 | ExpressJet | 6026 | Feb | ORD-FSD | 1754 | 10 | 7 | 70.00 | 141 |
| 25 | JetBlue | 922 | Feb | ORD-BOS | 1830 | 10 | 7 | 70.00 | 123 |
| 26 | JetBlue | 904 | Feb | RSW-BOS | 1330 | 10 | 7 | 70.00 | 129 |
| 27 | SkyWest | 5824 | Feb | CLE-BOS | 1900 | 10 | 7 | 70.00 | 77 |
| 28 | SkyWest | 6307 | Feb | ORD-BZN | 2010 | 10 | 7 | 70.00 | 103 |
| 29 | Southwest | 624 | Feb | BNA-MSY | 1900 | 10 | 7 | 70.00 | 57 |
| 30 | Southwest | 3747 | Feb | DAL-LBB | 1505 | 10 | 7 | 70.00 | 88 |
| 31 | Southwest | 47 | Feb | LBB-DAL | 1630 | 10 | 7 | 70.00 | 90 |
| 32 | ExpressJet | 5953 | Feb | ORD-MCI | 2010 | 23 | 16 | 69.57 | 127 |
| 33 | JetBlue | 491 | Feb | BOS-DEN | 1954 | 16 | 11 | 68.75 | 76 |
| 34 | American | 607 | Feb | ORD-LAX | 2130 | 28 | 19 | 67.86 | 75 |
| 35 | American | 1523 | Feb | ORD-SFO | 2005 | 28 | 19 | 67.86 | 85 |
| 36 | American Eagle | 3773 | Feb | DEN-ORD | 1825 | 28 | 19 | 67.86 | 77 |
| 37 | American Eagle | 3720 | Feb | ORD-ATL | 2130 | 24 | 16 | 66.67 | 111 |
| 38 | American Eagle | 3711 | Feb | ORD-LIT | 1445 | 24 | 16 | 66.67 | 72 |
| 39 | American Eagle | 3731 | Feb | ORD-MSP | 2230 | 24 | 16 | 66.67 | 62 |
| 40 | Continental | 1828 | Feb | EWR-DEN | 900 | 12 | 8 | 66.67 | 65 |
| 41 | ExpressJet | 6154 | Feb | CHS-ORD | 1725 | 12 | 8 | 66.67 | 86 |
| 42 | ExpressJet | 2396 | Feb | EWR-DTW | 1733 | 12 | 8 | 66.67 | 60 |
| 43 | ExpressJet | 5885 | Feb | FSD-DEN | 2008 | 12 | 8 | 66.67 | 100 |
| 44 | ExpressJet | 2530 | Feb | GSO-EWR | 1402 | 12 | 8 | 66.67 | 111 |
| 45 | ExpressJet | 6025 | Feb | GSO-ORD | 1751 | 12 | 8 | 66.67 | 76 |
| 46 | ExpressJet | 5940 | Feb | ORD-BTV | 1345 | 12 | 8 | 66.67 | 123 |
| 47 | ExpressJet | 6015 | Feb | ORD-DAY | 1820 | 12 | 8 | 66.67 | 192 |
| 48 | ExpressJet | 6117 | Feb | ORD-SGF | 2013 | 12 | 8 | 66.67 | 118 |
| 49 | ExpressJet | 6023 | Feb | ROC-ORD | 1835 | 12 | 8 | 66.67 | 141 |
| 50 | JetBlue | 923 | Feb | BOS-ORD | 1710 | 24 | 16 | 66.67 | 108 |
| 51 | SkyWest | 6567 | Feb | ORD-COS | 2100 | 12 | 8 | 66.67 | 108 |
| 52 | American Eagle | 3774 | Feb | CMH-ORD | 1530 | 26 | 17 | 65.38 | 66 |
| 53 | American Eagle | 3787 | Feb | LIT-ORD | 1705 | 26 | 17 | 65.38 | 80 |
| 54 | ExpressJet | 5845 | Feb | ICT-ORD | 1820 | 26 | 17 | 65.38 | 101 |
| 55 | ExpressJet | 6014 | Feb | ORD-LIT | 2010 | 23 | 15 | 65.22 | 117 |
| 56 | American Eagle | 4413 | Feb | LGA-XNA | 1805 | 20 | 13 | 65.00 | 85 |
| 57 | American Eagle | 3798 | Feb | ORD-ABQ | 1935 | 28 | 18 | 64.29 | 99 |
| 58 | American Eagle | 3715 | Feb | ORD-PHL | 2135 | 28 | 18 | 64.29 | 68 |
| 59 | American Eagle | 3757 | Feb | SAT-ORD | 1810 | 28 | 18 | 64.29 | 77 |
| 60 | ExpressJet | 5903 | Feb | BNA-ORD | 1804 | 14 | 9 | 64.29 | 125 |
| 61 | ExpressJet | 5914 | Feb | ORD-MSN | 2118 | 14 | 9 | 64.29 | 81 |
| 62 | JetBlue | 303 | Feb | IAD-LGB | 1741 | 14 | 9 | 64.29 | 91 |
| 63 | ExpressJet | 5876 | Feb | ORD-GRB | 1005 | 11 | 7 | 63.64 | 115 |
| 64 | ExpressJet | 6115 | Feb | ORD-SDF | 2124 | 11 | 7 | 63.64 | 100 |
| 65 | American Eagle | 3741 | Feb | ORD-EWR | 2100 | 16 | 10 | 62.50 | 80 |
| 66 | American Eagle | 3745 | Feb | ORD-PHL | 1630 | 24 | 15 | 62.50 | 73 |
| 67 | ExpressJet | 6209 | Feb | ORD-BHM | 1930 | 24 | 15 | 62.50 | 117 |
| 68 | ExpressJet | 6182 | Feb | ORD-FSD | 2011 | 24 | 15 | 62.50 | 104 |
| 69 | ExpressJet | 5894 | Feb | ORD-TYS | 1820 | 16 | 10 | 62.50 | 98 |
| 70 | ExpressJet | 5939 | Feb | PIA-ORD | 1840 | 24 | 15 | 62.50 | 124 |
| 71 | SkyWest | 6634 | Feb | MKG-ORD | 2010 | 24 | 15 | 62.50 | 77 |
| 72 | SkyWest | 6987 | Feb | ORD-SBN | 1705 | 16 | 10 | 62.50 | 103 |
| 73 | SkyWest | 6977 | Feb | ORD-SLC | 2006 | 16 | 10 | 62.50 | 125 |
| 74 | ExpressJet | 5907 | Feb | GSO-IAD | 2005 | 13 | 8 | 61.54 | 71 |
| 75 | ExpressJet | 6022 | Feb | ORD-BNA | 1910 | 13 | 8 | 61.54 | 120 |
| 76 | ExpressJet | 5907 | Feb | ORD-ICT | 2005 | 13 | 8 | 61.54 | 71 |
| 77 | ExpressJet | 5957 | Feb | ORD-LNK | 2010 | 18 | 11 | 61.11 | 164 |
| 78 | Atlantic Southeast | 5437 | Feb | DTW-OKC | 1522 | 28 | 17 | 60.71 | 84 |
| 79 | SkyWest | 6691 | Feb | ORD-ASE | 1759 | 28 | 17 | 60.71 | 75 |
| 80 | American Eagle | 3735 | Feb | CLE-ORD | 1055 | 10 | 6 | 60.00 | 57 |
| 81 | American Eagle | 4062 | Feb | XNA-ORD | 900 | 10 | 6 | 60.00 | 62 |
| 82 | Atlantic Southeast | 5346 | Feb | CVG-DTW | 937 | 10 | 6 | 60.00 | 100 |
| 83 | Continental | 757 | Feb | CLE-LAS | 1800 | 10 | 6 | 60.00 | 44 |
| 84 | Continental | 1835 | Feb | EWR-PHX | 1845 | 10 | 6 | 60.00 | 62 |
| 85 | ExpressJet | 2532 | Feb | CLE-MCI | 2045 | 10 | 6 | 60.00 | 99 |
| 86 | ExpressJet | 3125 | Feb | DTW-EWR | 1445 | 10 | 6 | 60.00 | 74 |
| 87 | ExpressJet | 3070 | Feb | EWR-CLT | 2105 | 10 | 6 | 60.00 | 91 |
| 88 | ExpressJet | 6164 | Feb | ORD-ABE | 2110 | 10 | 6 | 60.00 | 87 |
| 89 | ExpressJet | 6035 | Feb | ORD-AVP | 1939 | 10 | 6 | 60.00 | 57 |
| 90 | ExpressJet | 6031 | Feb | ORD-BTV | 2110 | 10 | 6 | 60.00 | 159 |
| 91 | ExpressJet | 6146 | Feb | ORD-GSO | 1950 | 10 | 6 | 60.00 | 101 |
| 92 | ExpressJet | 5894 | Feb | ORD-TYS | 1921 | 10 | 6 | 60.00 | 58 |
| 93 | ExpressJet | 6005 | Feb | PVD-IAD | 1417 | 10 | 6 | 60.00 | 72 |
| 94 | ExpressJet | 6034 | Feb | TVC-ORD | 2007 | 10 | 6 | 60.00 | 164 |
| 95 | JetBlue | 777 | Feb | BOS-LAS | 1945 | 20 | 12 | 60.00 | 64 |
| 96 | JetBlue | 337 | Feb | IAD-MCO | 2049 | 10 | 6 | 60.00 | 101 |
| 97 | JetBlue | 1440 | Feb | LGB-SFO | 2020 | 10 | 6 | 60.00 | 92 |
| 98 | JetBlue | 1282 | Feb | RIC-BOS | 1830 | 10 | 6 | 60.00 | 95 |
| 99 | SkyWest | 6458 | Feb | LAX-TUS | 1951 | 10 | 6 | 60.00 | 73 |
| 100 | SkyWest | 6538 | Feb | ORD-MSN | 2126 | 10 | 6 | 60.00 | 65 |
| 101 | Southwest | 2811 | Feb | HOU-SAT | 2010 | 10 | 6 | 60.00 | 53 |
| 102 | Southwest | 1567 | Feb | LIT-DAL | 1910 | 25 | 15 | 60.00 | 87 |
| 103 | Southwest | 3050 | Feb | MCI-BNA | 1705 | 10 | 6 | 60.00 | 74 |
| 104 | Southwest | 544 | Feb | MDW-BNA | 1940 | 10 | 6 | 60.00 | 65 |
| 105 | Southwest | 2610 | Feb | MSY-STL | 1300 | 10 | 6 | 60.00 | 49 |
| 106 | Southwest | 922 | Feb | SAT-ELP | 1855 | 10 | 6 | 60.00 | 44 |
| 107 | Southwest | 2610 | Feb | STL-MDW | 1505 | 10 | 6 | 60.00 | 40 |
| 108 | United | 655 | Feb | EWR-ORD | 1900 | 10 | 6 | 60.00 | 84 |
| 109 | United | 192 | Feb | ORD-BWI | 2144 | 10 | 6 | 60.00 | 73 |
| 110 | American Eagle | 4529 | Feb | BOS-JFK | 1830 | 27 | 16 | 59.26 | 58 |
| 111 | American Eagle | 3752 | Feb | ORD-CLE | 2150 | 27 | 16 | 59.26 | 87 |
| 112 | American Eagle | 3727 | Feb | ORD-LIT | 2155 | 27 | 16 | 59.26 | 75 |
| 113 | Frontier | 777 | Feb | DEN-LAS | 1320 | 22 | 13 | 59.09 | 55 |
| 114 | JetBlue | 471 | Feb | BOS-SJC | 1630 | 17 | 10 | 58.82 | 67 |
| 115 | American Eagle | 4093 | Feb | GRB-ORD | 700 | 24 | 14 | 58.33 | 65 |
| 116 | American Eagle | 3934 | Feb | ORD-FSD | 2040 | 24 | 14 | 58.33 | 76 |
| 117 | Atlantic Southeast | 7172 | Feb | ORD-SAV | 2057 | 12 | 7 | 58.33 | 157 |
| 118 | Continental | 268 | Feb | EWR-LAS | 1800 | 12 | 7 | 58.33 | 51 |
| 119 | Continental | 263 | Feb | EWR-ORD | 1800 | 12 | 7 | 58.33 | 93 |
| 120 | ExpressJet | 6154 | Feb | AVP-ORD | 1758 | 12 | 7 | 58.33 | 72 |
| 121 | ExpressJet | 6168 | Feb | BUF-ORD | 1829 | 12 | 7 | 58.33 | 170 |
| 122 | ExpressJet | 6000 | Feb | DEN-FAR | 1336 | 24 | 14 | 58.33 | 63 |
| 123 | ExpressJet | 5993 | Feb | DTW-IAD | 1915 | 12 | 7 | 58.33 | 109 |
| 124 | ExpressJet | 5993 | Feb | IAD-DTW | 1707 | 12 | 7 | 58.33 | 125 |
| 125 | ExpressJet | 6149 | Feb | MCI-DEN | 931 | 12 | 7 | 58.33 | 53 |
| 126 | ExpressJet | 5848 | Feb | ORD-ABE | 1929 | 24 | 14 | 58.33 | 104 |
| 127 | ExpressJet | 5896 | Feb | ORD-ALB | 2105 | 12 | 7 | 58.33 | 38 |
| 128 | ExpressJet | 6173 | Feb | ORD-DAY | 2120 | 12 | 7 | 58.33 | 136 |
| 129 | ExpressJet | 6206 | Feb | ORD-MCI | 2110 | 12 | 7 | 58.33 | 129 |
| 130 | ExpressJet | 5908 | Feb | ORD-MEM | 2103 | 24 | 14 | 58.33 | 108 |
| 131 | ExpressJet | 6161 | Feb | ORD-PIA | 1712 | 24 | 14 | 58.33 | 105 |
| 132 | ExpressJet | 5905 | Feb | SYR-ORD | 1827 | 12 | 7 | 58.33 | 100 |
| 133 | JetBlue | 425 | Feb | BOS-PBI | 1855 | 12 | 7 | 58.33 | 88 |
| 134 | JetBlue | 986 | Feb | FLL-JFK | 2145 | 12 | 7 | 58.33 | 89 |
| 135 | JetBlue | 79 | Feb | JFK-MCO | 2129 | 12 | 7 | 58.33 | 80 |
| 136 | JetBlue | 35 | Feb | JFK-PBI | 2135 | 12 | 7 | 58.33 | 70 |
| 137 | JetBlue | 992 | Feb | PBI-JFK | 1614 | 12 | 7 | 58.33 | 101 |
| 138 | SkyWest | 6669 | Feb | BZN-ORD | 1504 | 12 | 7 | 58.33 | 100 |
| 139 | SkyWest | 7033 | Feb | LAX-PDX | 1853 | 12 | 7 | 58.33 | 62 |
| 140 | SkyWest | 6515 | Feb | MEM-ORD | 1823 | 12 | 7 | 58.33 | 96 |
| 141 | SkyWest | 6545 | Feb | ORD-PIA | 2050 | 12 | 7 | 58.33 | 122 |
| 142 | SkyWest | 6667 | Feb | SFO-MCI | 1800 | 12 | 7 | 58.33 | 68 |
| 143 | Southwest | 792 | Feb | DAL-SAT | 1930 | 24 | 14 | 58.33 | 54 |
| 144 | Southwest | 1646 | Feb | MKE-PHX | 1420 | 24 | 14 | 58.33 | 59 |
| 145 | Continental | 1502 | Feb | EWR-LAX | 1800 | 26 | 15 | 57.69 | 64 |
| 146 | ExpressJet | 5919 | Feb | GRB-ORD | 1821 | 26 | 15 | 57.69 | 114 |
| 147 | ExpressJet | 6181 | Feb | ORD-CAK | 2126 | 26 | 15 | 57.69 | 92 |
| 148 | SkyWest | 6724 | Feb | DSM-ORD | 1846 | 26 | 15 | 57.69 | 92 |
| 149 | SkyWest | 6449 | Feb | ORD-SLC | 1759 | 26 | 15 | 57.69 | 92 |
| 150 | American Eagle | 3528 | Feb | MKE-DFW | 1555 | 28 | 16 | 57.14 | 93 |
| 151 | American Eagle | 3766 | Feb | ORD-DEN | 1615 | 28 | 16 | 57.14 | 84 |
| 152 | ExpressJet | 6158 | Feb | ORD-LNK | 840 | 14 | 8 | 57.14 | 98 |
| 153 | ExpressJet | 6079 | Feb | TUL-ORD | 1811 | 21 | 12 | 57.14 | 113 |
| 154 | SkyWest | 7002 | Feb | ORD-ASE | 1533 | 14 | 8 | 57.14 | 87 |
| 155 | SkyWest | 6546 | Feb | ORD-MSN | 1505 | 14 | 8 | 57.14 | 79 |
| 156 | Southwest | 2165 | Feb | LAX-SFO | 1735 | 14 | 8 | 57.14 | 135 |
| 157 | Southwest | 1268 | Feb | MKE-LAS | 1000 | 14 | 8 | 57.14 | 42 |
| 158 | Southwest | 3658 | Feb | PHX-ONT | 2000 | 14 | 8 | 57.14 | 55 |
| 159 | Southwest | 413 | Feb | SAT-DAL | 2000 | 14 | 8 | 57.14 | 79 |
| 160 | Southwest | 1141 | Feb | STL-DAL | 1830 | 14 | 8 | 57.14 | 65 |
| 161 | United | 121 | Feb | ORD-IAH | 2105 | 14 | 8 | 57.14 | 93 |
| 162 | American Eagle | 4292 | Feb | ROC-ORD | 1925 | 23 | 13 | 56.52 | 107 |
| 163 | ExpressJet | 5892 | Feb | ORD-HSV | 1900 | 23 | 13 | 56.52 | 90 |
| 164 | ExpressJet | 6110 | Feb | ORD-ICT | 1805 | 23 | 13 | 56.52 | 83 |
| 165 | SkyWest | 6349 | Feb | IAD-COS | 1850 | 23 | 13 | 56.52 | 62 |
| 166 | ExpressJet | 6109 | Feb | CID-ORD | 1448 | 16 | 9 | 56.25 | 112 |
| 167 | ExpressJet | 6176 | Feb | ORD-ICT | 815 | 16 | 9 | 56.25 | 78 |
| 168 | SkyWest | 7041 | Feb | SBN-ORD | 1924 | 16 | 9 | 56.25 | 97 |
| 169 | Southwest | 526 | Feb | LAX-SFO | 2050 | 16 | 9 | 56.25 | 125 |
| 170 | American Eagle | 3710 | Feb | ORD-XNA | 1745 | 25 | 14 | 56.00 | 62 |
| 171 | American Eagle | 3985 | Feb | ORD-RST | 825 | 27 | 15 | 55.56 | 49 |
| 172 | Southwest | 404 | Feb | SAN-SMF | 1615 | 18 | 10 | 55.56 | 72 |
| 173 | American Eagle | 3992 | Feb | XNA-ORD | 1320 | 20 | 11 | 55.00 | 139 |
| 174 | ExpressJet | 5868 | Feb | CRW-ORD | 1719 | 20 | 11 | 55.00 | 125 |
| 175 | JetBlue | 675 | Feb | JFK-LAX | 1500 | 20 | 11 | 55.00 | 54 |
| 176 | JetBlue | 648 | Feb | SFO-JFK | 2250 | 20 | 11 | 55.00 | 83 |
| 177 | Continental | 1581 | Feb | EWR-SEA | 1430 | 11 | 6 | 54.55 | 46 |
| 178 | Delta | 1540 | Feb | ATL-BNA | 1630 | 11 | 6 | 54.55 | 91 |
| 179 | ExpressJet | 6118 | Feb | GRB-ORD | 1128 | 11 | 6 | 54.55 | 130 |
| 180 | ExpressJet | 5907 | Feb | IAD-GSO | 1829 | 11 | 6 | 54.55 | 54 |
| 181 | ExpressJet | 5972 | Feb | MCI-ORD | 1717 | 11 | 6 | 54.55 | 112 |
| 182 | ExpressJet | 5928 | Feb | ORD-ORF | 2110 | 11 | 6 | 54.55 | 132 |
| 183 | Mesa | 7232 | Feb | ORD-ALB | 1859 | 11 | 6 | 54.55 | 79 |
| 184 | American | 374 | Feb | ORD-LGA | 1205 | 24 | 13 | 54.17 | 69 |
| 185 | American Eagle | 4671 | Feb | ATL-LGA | 1845 | 24 | 13 | 54.17 | 80 |
| 186 | American Eagle | 4350 | Feb | ORD-AZO | 2105 | 24 | 13 | 54.17 | 81 |
| 187 | American Eagle | 4165 | Feb | ORD-CMH | 2145 | 24 | 13 | 54.17 | 111 |
| 188 | American Eagle | 4189 | Feb | ORD-HSV | 1900 | 24 | 13 | 54.17 | 63 |
| 189 | American Eagle | 4195 | Feb | ORD-MEM | 2115 | 24 | 13 | 54.17 | 88 |
| 190 | American Eagle | 4131 | Feb | ORD-SPI | 2035 | 24 | 13 | 54.17 | 93 |
| 191 | ExpressJet | 5891 | Feb | ATW-ORD | 1823 | 24 | 13 | 54.17 | 90 |
| 192 | ExpressJet | 2741 | Feb | CVG-EWR | 1830 | 24 | 13 | 54.17 | 79 |
| 193 | ExpressJet | 2925 | Feb | EWR-SDF | 1525 | 24 | 13 | 54.17 | 51 |
| 194 | ExpressJet | 5940 | Feb | ORD-CLE | 1932 | 24 | 13 | 54.17 | 149 |
| 195 | ExpressJet | 5864 | Feb | XNA-ORD | 1718 | 24 | 13 | 54.17 | 108 |
| 196 | JetBlue | 473 | Feb | BOS-LAX | 905 | 24 | 13 | 54.17 | 89 |
| 197 | JetBlue | 631 | Feb | BOS-SFO | 915 | 24 | 13 | 54.17 | 73 |
| 198 | Southwest | 1567 | Feb | MDW-LIT | 1710 | 24 | 13 | 54.17 | 85 |
| 199 | Southwest | 2940 | Feb | RNO-PDX | 1820 | 24 | 13 | 54.17 | 84 |
| 200 | ExpressJet | 2815 | Feb | DCA-EWR | 1440 | 26 | 14 | 53.85 | 90 |
| 201 | JetBlue | 917 | Feb | JFK-ORD | 1600 | 26 | 14 | 53.85 | 103 |
| 202 | JetBlue | 580 | Feb | PBI-HPN | 1745 | 26 | 14 | 53.85 | 78 |
| 203 | SkyWest | 6955 | Feb | MKE-ORD | 1937 | 26 | 14 | 53.85 | 118 |
| 204 | SkyWest | 6585 | Feb | ORD-CWA | 1645 | 26 | 14 | 53.85 | 61 |
| 205 | SkyWest | 6955 | Feb | ORD-MKE | 1800 | 26 | 14 | 53.85 | 109 |
| 206 | Alaska | 153 | Feb | OME-ANC | 2107 | 28 | 15 | 53.57 | 83 |
| 207 | American | 1733 | Feb | ORD-PHX | 2000 | 28 | 15 | 53.57 | 97 |
| 208 | American | 1377 | Feb | ORD-SEA | 2040 | 28 | 15 | 53.57 | 77 |
| 209 | American | 1522 | Feb | SFO-ORD | 2355 | 28 | 15 | 53.57 | 62 |
| 210 | American Eagle | 4194 | Feb | AZO-ORD | 1740 | 28 | 15 | 53.57 | 79 |
| 211 | American Eagle | 3457 | Feb | CLE-DFW | 1145 | 28 | 15 | 53.57 | 58 |
| 212 | American Eagle | 3529 | Feb | DFW-MKE | 1310 | 28 | 15 | 53.57 | 97 |
| 213 | American Eagle | 3795 | Feb | ELP-ORD | 1405 | 28 | 15 | 53.57 | 99 |
| 214 | American Eagle | 3708 | Feb | ORD-ELP | 2000 | 28 | 15 | 53.57 | 99 |
| 215 | American Eagle | 4082 | Feb | ORD-ICT | 1835 | 28 | 15 | 53.57 | 112 |
| 216 | American Eagle | 3886 | Feb | ORD-MSP | 1325 | 28 | 15 | 53.57 | 80 |
| 217 | American Eagle | 3869 | Feb | ORD-SAT | 1445 | 28 | 15 | 53.57 | 62 |
| 218 | JetBlue | 407 | Feb | BOS-PHX | 725 | 28 | 15 | 53.57 | 68 |
| 219 | American Eagle | 3735 | Feb | CLE-ORD | 1020 | 17 | 9 | 52.94 | 123 |
| 220 | American | 2435 | Feb | ORD-PHX | 1420 | 19 | 10 | 52.63 | 62 |
| 221 | American Eagle | 3850 | Feb | ORD-XNA | 2000 | 19 | 10 | 52.63 | 98 |
| 222 | ExpressJet | 3046 | Feb | MEM-EWR | 1255 | 21 | 11 | 52.38 | 65 |
| 223 | ExpressJet | 6040 | Feb | ORD-ATW | 1155 | 21 | 11 | 52.38 | 144 |
| 224 | American Eagle | 4248 | Feb | DSM-ORD | 1840 | 23 | 12 | 52.17 | 75 |
| 225 | American Eagle | 4071 | Feb | ORD-XNA | 1315 | 23 | 12 | 52.17 | 59 |
| 226 | American Eagle | 4193 | Feb | RIC-ORD | 1935 | 23 | 12 | 52.17 | 68 |
| 227 | American Eagle | 4074 | Feb | XNA-ORD | 1540 | 23 | 12 | 52.17 | 66 |
| 228 | American Eagle | 4478 | Feb | LGA-DTW | 845 | 25 | 13 | 52.00 | 57 |
| 229 | American Eagle | 3894 | Feb | XNA-ORD | 550 | 25 | 13 | 52.00 | 119 |
| 230 | American Eagle | 4479 | Feb | DTW-LGA | 1120 | 27 | 14 | 51.85 | 81 |
| 231 | American Eagle | 3823 | Feb | MSP-ORD | 1300 | 27 | 14 | 51.85 | 99 |
| 232 | American Eagle | 3764 | Feb | ORD-PHL | 1210 | 27 | 14 | 51.85 | 76 |
| 233 | American Eagle | 3804 | Feb | PHL-ORD | 1540 | 27 | 14 | 51.85 | 82 |
| 234 | ExpressJet | 6014 | Feb | ORD-CLE | 2128 | 27 | 14 | 51.85 | 105 |
| 235 | ExpressJet | 5956 | Feb | ORD-GRB | 2118 | 27 | 14 | 51.85 | 102 |
Source: Bureau of Transportation Statistics, Airline On-Time Data
* Includes canceled and diverted flights
** For flights late more than 30 minutes only. Excludes canceled and diverted flights