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July 2011 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

July 2011 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

Ranked by Percent of Flight Operations Not Arriving On-Time

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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 SkyWest 6250 Jul MFR-SFO 834 30 23 76.67 83
2 Atlantic Southeast 4949 Jul EWR-DTW 1829 21 16 76.19 76
3 SkyWest 5331 Jul SFO-SBA 1045 31 23 74.19 91
4 Atlantic Southeast 5236 Jul BMI-ATL 1556 25 18 72.00 112
5 JetBlue 730 Jul SJU-MCO 1940 31 22 70.97 63
6 ExpressJet 3074 Jul PIT-EWR 2013 20 14 70.00 60
7 ExpressJet 2226 Jul DCA-EWR 1859 26 18 69.23 105
8 ExpressJet 6133 Jul MTJ-DEN 1959 22 15 68.18 75
9 Atlantic Southeast 5306 Jul ALB-ATL 1752 25 17 68.00 82
10 Atlantic Southeast 5236 Jul ATL-BMI 1448 25 17 68.00 106
11 Continental 1551 Jul IND-IAH 1434 25 17 68.00 81
12 SkyWest 5354 Jul ACV-SFO 1249 31 21 67.74 101
13 SkyWest 6234 Jul CEC-SFO 906 31 21 67.74 100
14 SkyWest 5315 Jul SFO-MRY 1033 31 21 67.74 73
15 American 614 Jul DFW-BOS 1725 26 17 65.38 75
16 Atlantic Southeast 5761 Jul ORD-SYR 1434 23 15 65.22 134
17 Atlantic Southeast 5761 Jul SYR-ORD 1745 23 15 65.22 124
18 United 693 Jul LGA-ORD 1900 20 13 65.00 108
19 Atlantic Southeast 5405 Jul EWR-DTW 1629 31 20 64.52 121
20 Delta 2242 Jul ATL-EWR 1755 31 20 64.52 104
21 JetBlue 749 Jul MCO-SJU 2320 31 20 64.52 73
22 SkyWest 6502 Jul OTH-SFO 850 31 20 64.52 74
23 SkyWest 5354 Jul SFO-ACV 1114 31 20 64.52 97
24 SkyWest 5409 Jul SFO-ACV 1425 31 20 64.52 86
25 Atlantic Southeast 5130 Jul ATL-HPN 1603 25 16 64.00 95
26 Atlantic Southeast 5484 Jul GPT-ATL 1854 25 16 64.00 89
27 Atlantic Southeast 5130 Jul HPN-ATL 1900 25 16 64.00 100
28 ExpressJet 2877 Jul EWR-MSP 2000 25 16 64.00 105
29 SkyWest 5325 Jul RDD-SFO 1401 30 19 63.33 99
30 SkyWest 5331 Jul SBA-SFO 1240 30 19 63.33 100
31 ExpressJet 5827 Jul DAL-DEN 2021 19 12 63.16 86
32 SkyWest 6246 Jul DEN-COS 2055 24 15 62.50 71
33 SkyWest 5548 Jul DEN-CVG 1940 24 15 62.50 78
34 Atlantic Southeast 5216 Jul OKC-ATL 1719 26 16 61.54 102
35 ExpressJet 2736 Jul TYS-EWR 1408 26 16 61.54 84
36 Southwest 3256 Jul DEN-STL 1535 26 16 61.54 95
37 Atlantic Southeast 5095 Jul MSP-EWR 1510 31 19 61.29 108
38 JetBlue 160 Jul MCO-JFK 1820 31 19 61.29 114
39 JetBlue 745 Jul MCO-SJU 1605 31 19 61.29 54
40 SkyWest 6426 Jul SFO-SMF 1106 31 19 61.29 66
41 SkyWest 4611 Jul SLC-SFO 845 31 19 61.29 71
42 SkyWest 6426 Jul SMF-SFO 1210 31 19 61.29 78
43 Atlantic Southeast 5508 Jul EWR-DTW 1921 25 15 60.00 100
44 Atlantic Southeast 5119 Jul SAV-ATL 1700 30 18 60.00 117
45 Continental 1422 Jul ATL-IAH 2017 25 15 60.00 89
46 Continental 856 Jul EWR-MIA 2020 25 15 60.00 60
47 Continental 1674 Jul LAX-CLE 2310 25 15 60.00 75
48 ExpressJet 3071 Jul EWR-DAY 2029 25 15 60.00 114
49 ExpressJet 2609 Jul EWR-MKE 2000 25 15 60.00 101
50 ExpressJet 3062 Jul PWM-EWR 1902 30 18 60.00 79
51 ExpressJet 3082 Jul SDF-EWR 1832 25 15 60.00 68
52 SkyWest 5806 Jul ATL-IAH 1706 25 15 60.00 86
53 SkyWest 5510 Jul MFR-SFO 926 30 18 60.00 85
54 SkyWest 5531 Jul MRY-SFO 930 30 18 60.00 94
55 Southwest 1246 Jul LAX-SFO 900 30 18 60.00 93
56 United 686 Jul ORD-LGA 1500 20 12 60.00 98
57 SkyWest 5617 Jul DEN-SLC 1915 27 16 59.26 84
58 Delta 1914 Jul VPS-ATL 1730 22 13 59.09 76
59 Continental 1411 Jul FLL-EWR 1930 29 17 58.62 92
60 SkyWest 5480 Jul ONT-SFO 2029 29 17 58.62 92
61 SkyWest 5648 Jul SFO-SBA 1454 29 17 58.62 94
62 ExpressJet 2717 Jul EWR-STL 2100 24 14 58.33 93
63 ExpressJet 2008 Jul JAX-EWR 2010 12 7 58.33 64
64 SkyWest 5605 Jul SGF-DEN 1948 24 14 58.33 72
65 United 436 Jul ORD-EWR 1500 24 14 58.33 88
66 American 1382 Jul MIA-EWR 2105 31 18 58.06 85
67 Atlantic Southeast 5136 Jul DTW-EWR 1402 31 18 58.06 104
68 Atlantic Southeast 4908 Jul HSV-ATL 1725 31 18 58.06 91
69 Continental 119 Jul TPA-EWR 1705 31 18 58.06 128
70 Delta 486 Jul ATL-LGA 1535 31 18 58.06 78
71 Delta 1677 Jul ORD-ATL 1535 31 18 58.06 108
72 JetBlue 761 Jul MCO-BQN 2325 31 18 58.06 82
73 JetBlue 48 Jul MCO-JFK 1640 31 18 58.06 116
74 JetBlue 852 Jul SJU-BOS 1850 31 18 58.06 94
75 SkyWest 6329 Jul ACV-SFO 847 31 18 58.06 91
76 SkyWest 4720 Jul SFO-LAX 1030 31 18 58.06 69
77 SkyWest 5330 Jul SFO-SBA 1323 31 18 58.06 83
78 US Airways 1630 Jul CLT-LGA 1819 31 18 58.06 90
79 Atlantic Southeast 5350 Jul DTW-EWR 1557 26 15 57.69 84
80 Atlantic Southeast 5380 Jul DTW-IAH 1939 26 15 57.69 110
81 Continental 1462 Jul BOS-EWR 1645 26 15 57.69 91
82 Continental 1412 Jul EWR-TPA 2100 26 15 57.69 90
83 ExpressJet 3043 Jul IND-EWR 1730 26 15 57.69 98
84 Southwest 1076 Jul AUS-LAS 2010 26 15 57.69 57
85 Southwest 1076 Jul SFO-PHX 1050 26 15 57.69 106
86 US Airways 910 Jul CLT-BWI 1751 26 15 57.69 66
87 Atlantic Southeast 4934 Jul DTW-PHL 1748 21 12 57.14 106
88 Atlantic Southeast 5119 Jul ATL-SAV 1520 30 17 56.67 99
89 Atlantic Southeast 5204 Jul SWF-ATL 1755 30 17 56.67 82
90 SkyWest 5485 Jul DEN-MOT 1925 30 17 56.67 79
91 SkyWest 6408 Jul SFO-EUG 1427 30 17 56.67 59
92 ExpressJet 6184 Jul DEN-MTJ 1836 23 13 56.52 82
93 ExpressJet 6150 Jul ELP-DEN 1906 23 13 56.52 81
94 United 690 Jul ORD-LGA 1705 16 9 56.25 80
95 American 2382 Jul DEN-DFW 1910 25 14 56.00 76
96 Atlantic Southeast 5484 Jul ATL-GPT 1801 25 14 56.00 93
97 Atlantic Southeast 5043 Jul ICT-ATL 1519 25 14 56.00 96
98 Atlantic Southeast 5593 Jul MOB-ATL 1607 25 14 56.00 70
99 Continental 1634 Jul BOS-EWR 1530 25 14 56.00 86
100 Continental 1855 Jul CLE-EWR 1900 25 14 56.00 77
101 Delta 1147 Jul LGA-ATL 2000 25 14 56.00 91
102 ExpressJet 2774 Jul DAY-EWR 1836 25 14 56.00 75
103 SkyWest 5628 Jul DEN-GJT 1838 25 14 56.00 74
104 SkyWest 5817 Jul IAH-DSM 2030 25 14 56.00 59
105 SkyWest 5431 Jul SFO-SNA 1607 25 14 56.00 62
106 Continental 1863 Jul BOS-SFO 1900 18 10 55.56 105
107 Delta 1791 Jul CHS-ATL 1706 29 16 55.17 97
108 United 720 Jul DEN-JAC 1940 29 16 55.17 74
109 United 272 Jul LAX-SFO 1415 29 16 55.17 66
110 Delta 1861 Jul LIT-ATL 1714 20 11 55.00 145
111 American Eagle 3835 Jul DCA-JFK 1830 31 17 54.84 77
112 Atlantic Southeast 5042 Jul ATL-MFE 1925 31 17 54.84 100
113 Atlantic Southeast 5134 Jul ATL-MLI 2100 31 17 54.84 116
114 Atlantic Southeast 5141 Jul HPN-ATL 1725 31 17 54.84 94
115 Atlantic Southeast 5192 Jul MLI-ATL 1732 31 17 54.84 93
116 Continental 76 Jul MCO-EWR 1720 31 17 54.84 94
117 Delta 122 Jul ATL-JFK 1745 31 17 54.84 102
118 Delta 2282 Jul MIA-JFK 1859 31 17 54.84 100
119 ExpressJet 2517 Jul SAV-EWR 1901 31 17 54.84 77
120 Frontier 197 Jul DEN-DAY 1912 31 17 54.84 80
121 Frontier 108 Jul DEN-MSP 2002 31 17 54.84 67
122 Frontier 653 Jul DEN-SFO 820 31 17 54.84 94
123 JetBlue 529 Jul EWR-MCO 2115 31 17 54.84 87
124 JetBlue 1109 Jul JFK-RDU 2205 31 17 54.84 77
125 JetBlue 524 Jul MCO-EWR 1910 31 17 54.84 99
126 JetBlue 396 Jul MCO-LGA 1920 31 17 54.84 81
127 JetBlue 534 Jul TPA-EWR 1739 31 17 54.84 97
128 SkyWest 5409 Jul ACV-SFO 1605 31 17 54.84 117
129 SkyWest 4720 Jul LAX-SFO 1230 31 17 54.84 80
130 SkyWest 5315 Jul MRY-SFO 1130 31 17 54.84 90
131 SkyWest 6359 Jul SBP-SFO 1336 31 17 54.84 96
132 SkyWest 5337 Jul SFO-OTH 1133 31 17 54.84 85
133 SkyWest 5325 Jul SFO-RDD 1235 31 17 54.84 84
134 SkyWest 5320 Jul SMF-SFO 1044 31 17 54.84 95
135 United 858 Jul SFO-DEN 1314 31 17 54.84 97
136 US Airways 828 Jul CLT-BOS 1949 31 17 54.84 80
137 US Airways 1124 Jul CLT-LGA 2008 31 17 54.84 81
138 US Airways 741 Jul PHL-SJU 1745 31 17 54.84 133
139 Continental 1546 Jul ORD-DEN 2000 22 12 54.55 67
140 ExpressJet 5841 Jul DEN-GJT 1617 22 12 54.55 64
141 Atlantic Southeast 5107 Jul AGS-ATL 1908 24 13 54.17 89
142 ExpressJet 2068 Jul ATL-EWR 1945 24 13 54.17 92
143 ExpressJet 2076 Jul EWR-ATL 1620 24 13 54.17 113
144 Frontier 134 Jul DEN-DFW 1813 24 13 54.17 106
145 SkyWest 5575 Jul BOI-DEN 1850 24 13 54.17 84
146 SkyWest 5545 Jul COS-DEN 1931 24 13 54.17 65
147 SkyWest 5628 Jul GJT-DEN 1959 24 13 54.17 83
148 SkyWest 5648 Jul SBA-SFO 1639 24 13 54.17 105
149 United 780 Jul DCA-ORD 1625 24 13 54.17 77
150 United 364 Jul EWR-ORD 1900 24 13 54.17 91
151 AirTran 785 Jul PHF-LGA 1649 26 14 53.85 92
152 American 878 Jul DFW-EWR 1635 26 14 53.85 104
153 Atlantic Southeast 4931 Jul DTW-IAH 1725 26 14 53.85 96
154 Delta 1613 Jul IND-ATL 1410 26 14 53.85 88
155 ExpressJet 2497 Jul IAH-ICT 1545 26 14 53.85 76
156 ExpressJet 2248 Jul MEM-EWR 1900 26 14 53.85 107
157 ExpressJet 2041 Jul MKE-EWR 1416 26 14 53.85 88
158 Frontier 277 Jul DEN-BOI 2130 26 14 53.85 89
159 Southwest 1076 Jul DAL-AUS 1855 26 14 53.85 66
160 Southwest 1076 Jul ELP-DAL 1550 26 14 53.85 74
161 Southwest 1076 Jul LAS-ONT 2140 26 14 53.85 62
162 Southwest 1355 Jul LAS-SFO 845 26 14 53.85 85
163 Southwest 566 Jul PHX-SFO 830 26 14 53.85 69
164 Southwest 3256 Jul SAN-SFO 925 26 14 53.85 66
165 Southwest 291 Jul SFO-LAX 1030 26 14 53.85 69
166 Southwest 566 Jul SFO-LAX 1105 26 14 53.85 84
167 US Airways 1475 Jul BWI-CLT 1959 26 14 53.85 77
168 US Airways 1781 Jul CLT-MSY 1825 26 14 53.85 83
169 Delta 1533 Jul BHM-ATL 1315 28 15 53.57 64
170 United 463 Jul ORD-MSP 2242 28 15 53.57 64
171 Atlantic Southeast 4970 Jul OMA-ATL 1657 30 16 53.33 92
172 ExpressJet 2473 Jul MHT-EWR 1607 30 16 53.33 106
173 JetBlue 619 Jul JFK-JAX 2059 30 16 53.33 71
174 SkyWest 6293 Jul CEC-SFO 1430 30 16 53.33 75
175 SkyWest 5304 Jul SBA-SFO 815 30 16 53.33 75
176 ExpressJet 5968 Jul BTV-ORD 1420 19 10 52.63 119
177 United 537 Jul ATL-ORD 1951 19 10 52.63 86
178 ExpressJet 5845 Jul FSD-DEN 2000 23 12 52.17 61
179 Atlantic Southeast 5255 Jul ABE-ATL 1802 25 13 52.00 112
180 Atlantic Southeast 5306 Jul ATL-ALB 1500 25 13 52.00 82
181 Atlantic Southeast 5762 Jul CVG-IAD 1436 25 13 52.00 77
182 Atlantic Southeast 5003 Jul EWN-ATL 1704 25 13 52.00 79
183 Atlantic Southeast 5088 Jul IND-BOS 1815 25 13 52.00 92
184 Atlantic Southeast 5089 Jul SHV-ATL 1822 25 13 52.00 82
185 Continental 1876 Jul RSW-EWR 1950 25 13 52.00 101
186 Delta 2195 Jul MLB-ATL 1801 25 13 52.00 93
187 ExpressJet 2488 Jul CLT-EWR 2025 25 13 52.00 107
188 ExpressJet 2338 Jul EWR-RIC 2134 25 13 52.00 68
189 ExpressJet 2478 Jul GSO-EWR 1822 25 13 52.00 123
190 JetBlue 1178 Jul EWR-BOS 2035 25 13 52.00 105
191 SkyWest 5810 Jul IAH-MAF 1925 25 13 52.00 88
192 SkyWest 6268 Jul RAP-DEN 1737 25 13 52.00 78
193 Southwest 1423 Jul SFO-SAN 1050 25 13 52.00 91
194 Atlantic Southeast 4912 Jul MDT-ATL 1750 29 15 51.72 66
195 ExpressJet 2459 Jul EWR-BUF 2115 29 15 51.72 64
196 ExpressJet 3011 Jul IAD-IAH 1442 29 15 51.72 65
197 SkyWest 6383 Jul BUR-SFO 1038 29 15 51.72 87
198 SkyWest 5369 Jul CIC-SFO 802 29 15 51.72 61
199 SkyWest 6234 Jul PHX-DEN 1607 29 15 51.72 85
200 SkyWest 5356 Jul SFO-RDD 1906 29 15 51.72 61
201 United 762 Jul SFO-IAD 2230 29 15 51.72 61
202 Alaska 224 Jul PDX-SFO 800 31 16 51.61 83
203 American 696 Jul MIA-BOS 1730 31 16 51.61 102
204 American 936 Jul MIA-BOS 2115 31 16 51.61 79
205 American 277 Jul MIA-LAX 1520 31 16 51.61 106
206 American 1876 Jul MIA-LGA 1740 31 16 51.61 100
207 American 2378 Jul ORD-MIA 1610 31 16 51.61 95
208 Atlantic Southeast 4908 Jul ATL-HSV 1645 31 16 51.61 113
209 Atlantic Southeast 5397 Jul VPS-ATL 1605 31 16 51.61 94
210 Continental 1422 Jul IAH-ATL 1630 31 16 51.61 63
211 Delta 698 Jul ATL-IND 1935 31 16 51.61 81
212 Delta 1677 Jul ATL-ORD 1350 31 16 51.61 76
213 Delta 947 Jul LGA-ATL 1900 31 16 51.61 96
214 Delta 1977 Jul ORD-ATL 1820 31 16 51.61 114
215 ExpressJet 3153 Jul DCA-EWR 1436 31 16 51.61 114
216 Frontier 491 Jul DEN-CAK 1920 31 16 51.61 75
217 JetBlue 915 Jul JFK-ORD 2059 31 16 51.61 93
218 JetBlue 70 Jul PBI-JFK 2010 31 16 51.61 84
219 SkyWest 5316 Jul CIC-SFO 1344 31 16 51.61 98
220 SkyWest 5330 Jul SBA-SFO 1512 31 16 51.61 88
221 SkyWest 6380 Jul SFO-BOI 1132 31 16 51.61 66
222 SkyWest 5316 Jul SFO-CIC 1229 31 16 51.61 90
223 SkyWest 6264 Jul SFO-FAT 1255 31 16 51.61 76
224 SkyWest 6396 Jul SFO-MOD 1723 31 16 51.61 78
225 SkyWest 6359 Jul SFO-SBP 1154 31 16 51.61 94

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