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July 2010 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

July 2010 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 6099 July ACV-SFO 848 28 24 85.7 112
2 Comair 6616 July MSP-JFK 1515 30 23 76.7 80
3 Comair 6480 July ORD-CVG 1900 25 19 76.0 83
4 SkyWest 6504 July OTH-SFO 855 31 23 74.2 101
5 Delta 127 July JFK-DTW 1615 30 22 73.3 114
6 Delta 1591 July FNT-ATL 1730 22 16 72.7 82
7 Delta 1647 July DTW-IAH 1930 25 18 72.0 77
8 Southwest 2985 July BWI-MHT 2135 25 18 72.0 79
9 Comair 6335 July MEM-OKC 1920 30 21 70.0 90
10 Delta 1427 July EWR-DTW 1611 29 20 69.0 134
11 Delta 1676 July BNA-ATL 1420 22 15 68.2 72
12 ExpressJet 2732 July IAH-CLT 1940 25 17 68.0 94
13 Southwest 595 July BWI-SDF 2050 25 17 68.0 81
14 SkyWest 6181 July CEC-SFO 918 31 21 67.7 108
15 SkyWest 6505 July LMT-SFO 838 31 21 67.7 87
16 Delta 2355 July ATL-LAX 2015 30 20 66.7 74
17 Delta 2357 July ATL-SDF 1854 30 20 66.7 89
18 SkyWest 6909 July OTH-SFO 1325 30 20 66.7 112
19 SkyWest 6841 July SFO-SBA 1040 30 20 66.7 80
20 Comair 6453 July ORD-JFK 1417 29 19 65.5 81
21 SkyWest 6836 July SBA-SFO 843 29 19 65.5 77
22 Comair 6723 July JFK-ROC 1529 26 17 65.4 83
23 Southwest 1142 July BWI-LGA 1740 26 17 65.4 112
24 Southwest 757 July MDW-BWI 1740 26 17 65.4 77
25 SkyWest 4484 July LAS-LAX 1930 31 20 64.5 72
26 SkyWest 6841 July SBA-SFO 1237 31 20 64.5 66
27 SkyWest 6909 July SFO-OTH 1114 31 20 64.5 103
28 Continental 1191 July BOS-EWR 1420 25 16 64.0 84
29 Delta 2083 July MDW-ATL 1855 25 16 64.0 90
30 ExpressJet 2061 July ATL-EWR 1700 25 16 64.0 99
31 ExpressJet 2031 July EWR-ATL 1800 25 16 64.0 119
32 ExpressJet 2173 July EWR-GSO 2000 25 16 64.0 98
33 ExpressJet 2245 July EWR-OKC 1900 25 16 64.0 93
34 ExpressJet 2930 July IAH-ATL 1725 25 16 64.0 100
35 ExpressJet 2022 July IND-EWR 1725 25 16 64.0 72
36 ExpressJet 2736 July TYS-EWR 1345 25 16 64.0 99
37 Southwest 761 July HOU-SAT 2050 25 16 64.0 57
38 Southwest 3845 July MDW-CLE 2055 25 16 64.0 77
39 American Eagle 3737 July ORD-OMA 1750 11 7 63.6 55
40 Delta 2743 July EWR-ATL 1650 30 19 63.3 90
41 ExpressJet 2714 July BWI-EWR 1805 30 19 63.3 78
42 SkyWest 6256 July SFO-FAT 1022 30 19 63.3 76
43 Southwest 187 July DAL-TUL 1955 30 19 63.3 84
44 Southwest 1679 July PHX-BUR 1915 30 19 63.3 66
45 SkyWest 6400 July EUG-SFO 836 29 18 62.1 63
46 SkyWest 6840 July SBA-SFO 1036 26 16 61.5 81
47 Southwest 2534 July DEN-LAX 1940 26 16 61.5 71
48 Southwest 1505 July DEN-SFO 900 26 16 61.5 72
49 Alaska 308 July SEA-SFO 810 31 19 61.3 77
50 American Eagle 2725 July DFW-CAE 1915 31 19 61.3 76
51 American Eagle 3777 July ORD-DCA 1935 31 19 61.3 77
52 Comair 6578 July JFK-BOS 2110 31 19 61.3 87
53 Comair 6521 July JFK-MCI 1955 31 19 61.3 108
54 Comair 6321 July JFK-MEM 1625 31 19 61.3 71
55 Comair 6595 July JFK-ORD 1630 31 19 61.3 91
56 Delta 2983 July CLT-DTW 1644 31 19 61.3 123
57 Delta 2843 July EWR-ATL 1800 31 19 61.3 83
58 Comair 6347 July JFK-DFW 2025 30 18 60.0 74
59 Delta 2911 July ATL-DFW 2015 25 15 60.0 75
60 Delta 2569 July ATL-MCO 2130 30 18 60.0 56
61 Delta 1033 July ATL-MSY 2018 30 18 60.0 83
62 Delta 2974 July DTW-CLT 1915 25 15 60.0 71
63 ExpressJet 2907 July IAH-LFT 2005 25 15 60.0 71
64 ExpressJet 2298 July IND-EWR 1935 25 15 60.0 89
65 ExpressJet 2271 July MCI-IAH 1714 25 15 60.0 94
66 SkyWest 6192 July CIC-SFO 1013 30 18 60.0 66
67 SkyWest 6134 July ONT-SFO 1000 30 18 60.0 65
68 SkyWest 6034 July SBP-SFO 953 30 18 60.0 67
69 Southwest 847 July BWI-RDU 2110 25 15 60.0 68
70 Southwest 624 July HOU-JAN 2005 25 15 60.0 65
71 Southwest 1575 July HOU-MSY 1815 25 15 60.0 81
72 SkyWest 6824 July SFO-RDD 1536 27 16 59.3 103
73 Comair 6494 July OKC-ATL 1740 22 13 59.1 95
74 American Eagle 2983 July CSG-DFW 1605 17 10 58.8 202
75 SkyWest 6256 July FAT-SFO 1147 29 17 58.6 72
76 Delta 2720 July DTW-GRR 2000 24 14 58.3 101
77 ExpressJet 2665 July DTW-EWR 2000 24 14 58.3 82
78 Alaska 303 July SFO-SEA 1105 31 18 58.1 84
79 American Eagle 2870 July HOU-DFW 1730 31 18 58.1 90
80 Delta 2712 July ATL-ORD 1855 31 18 58.1 78
81 ExpressJet 2905 July ALB-EWR 1355 31 18 58.1 105
82 SkyWest 6255 July BUR-SFO 856 31 18 58.1 84
83 SkyWest 6336 July RNO-SFO 930 31 18 58.1 82
84 Comair 6321 July MEM-SAT 1930 26 15 57.7 64
85 Delta 2506 July ATL-MDW 1715 26 15 57.7 85
86 Delta 2401 July BOS-ATL 1830 26 15 57.7 93
87 Southwest 805 July DEN-AMA 1740 26 15 57.7 88
88 Southwest 1679 July OKC-PHX 1820 26 15 57.7 63
89 Southwest 1509 July PHX-LAX 1625 26 15 57.7 63
90 ExpressJet 2394 July EWR-MCI 1630 21 12 57.1 103
91 Frontier 962 July LAX-MKE 2345 14 8 57.1 46
92 Pinnacle 4326 July ATL-BHM 1730 14 8 57.1 75
93 Pinnacle 4326 July BHM-ATL 1800 14 8 57.1 54
94 SkyWest 6951 July ACV-SFO 1053 28 16 57.1 67
95 SkyWest 6058 July SFO-ACV 1058 28 16 57.1 96
96 Comair 6477 July IND-MEM 1746 30 17 56.7 82
97 Comair 6495 July JFK-DTW 1828 30 17 56.7 84
98 Delta 2157 July ATL-MKE 2143 30 17 56.7 79
99 Delta 2798 July DTW-JFK 1330 30 17 56.7 71
100 Delta 2221 July MSP-LAX 2115 30 17 56.7 76
101 SkyWest 6575 July MFR-SFO 1025 30 17 56.7 62
102 SkyWest 6687 July MRY-SFO 1145 30 17 56.7 99
103 American 353 July LGA-ORD 1905 25 14 56.0 96
104 Comair 6326 July MCI-LGA 1849 25 14 56.0 67
105 Continental 1187 July EWR-ORD 1900 25 14 56.0 100
106 Delta 158 July DTW-LGA 1945 25 14 56.0 76
107 Delta 1777 July ORD-ATL 1904 25 14 56.0 70
108 ExpressJet 3062 July ATL-EWR 1900 25 14 56.0 105
109 ExpressJet 2861 July BTV-EWR 1315 25 14 56.0 118
110 ExpressJet 2424 July CVG-EWR 1558 25 14 56.0 116
111 ExpressJet 2379 July EWR-SDF 2010 25 14 56.0 88
112 ExpressJet 2288 July IAH-DAY 1945 25 14 56.0 84
113 ExpressJet 2866 July MKE-EWR 1315 25 14 56.0 87
114 ExpressJet 2867 July OKC-IAH 1815 25 14 56.0 65
115 Mesa 7334 July ORD-SAV 1945 25 14 56.0 80
116 Pinnacle 3796 July ATW-DTW 1620 25 14 56.0 79
117 SkyWest 4781 July SDF-ATL 1915 25 14 56.0 94
118 Southwest 703 July ABQ-PHX 1750 25 14 56.0 75
119 Southwest 988 July AUS-LBB 1930 25 14 56.0 84
120 Southwest 1679 July BUR-SMF 2055 25 14 56.0 61
121 Southwest 242 July BWI-MDW 2100 25 14 56.0 60
122 Southwest 121 July DAL-AUS 2030 25 14 56.0 94
123 Southwest 1513 July DEN-OKC 2040 25 14 56.0 81
124 Southwest 49 July HOU-MCO 2005 25 14 56.0 66
125 Southwest 1325 July MCI-BNA 1955 25 14 56.0 66
126 Southwest 1571 July MDW-CMH 2030 25 14 56.0 72
127 Southwest 1215 July MDW-MSP 1915 25 14 56.0 89
128 Southwest 25 July RDU-BWI 1955 25 14 56.0 102
129 ExpressJet 2400 July ORD-EWR 1220 29 16 55.2 76
130 SkyWest 4803 July ATL-ORD 2130 29 16 55.2 92
131 Delta 730 July CHS-ATL 1807 20 11 55.0 94
132 AirTran 641 July ATL-HPN 1735 31 17 54.8 82
133 American Eagle 3705 July DCA-ORD 1815 31 17 54.8 101
134 American Eagle 3254 July DFW-HOU 1555 31 17 54.8 57
135 American Eagle 3712 July ORD-XNA 1830 31 17 54.8 92
136 American Eagle 3765 July PHL-ORD 1450 31 17 54.8 107
137 Delta 370 July ATL-EWR 1450 31 17 54.8 65
138 Delta 2427 July ATL-FLL 2015 31 17 54.8 76
139 Delta 2888 July ATL-GRR 2035 31 17 54.8 91
140 Delta 1916 July DEN-ATL 1430 31 17 54.8 65
141 Delta 310 July DTW-MCI 1955 31 17 54.8 80
142 Delta 2720 July ORD-DTW 1610 31 17 54.8 120
143 ExpressJet 2838 July CMH-EWR 1350 31 17 54.8 78
144 JetBlue 50 July FLL-JFK 2035 31 17 54.8 88
145 JetBlue 165 July JFK-PDX 2027 31 17 54.8 75
146 SkyWest 4709 July LAX-SFO 915 31 17 54.8 83
147 SkyWest 6846 July SMF-SFO 1152 31 17 54.8 63
148 Southwest 1281 July SFO-LAS 1115 31 17 54.8 68
149 American Eagle 3727 July OMA-ORD 1950 11 6 54.6 101
150 Delta 1514 July ATL-FNT 1456 22 12 54.6 65
151 ExpressJet 2521 July STL-EWR 1910 22 12 54.6 75
152 United 582 July ORD-ATL 1835 22 12 54.6 75
153 American 1702 July DFW-RDU 1905 26 14 53.9 67
154 American Eagle 2809 July DFW-JAN 1725 26 14 53.9 59
155 American Eagle 2874 July JAN-DFW 1910 26 14 53.9 60
156 American Eagle 3720 July ORD-ATL 2045 26 14 53.9 100
157 American Eagle 3731 July ORD-MSP 2230 26 14 53.9 58
158 Comair 6723 July ROC-JFK 1827 26 14 53.9 66
159 Delta 2963 July ATL-DTW 2018 26 14 53.9 142
160 Delta 2233 July BNA-ATL 1705 13 7 53.9 80
161 Delta 1641 July RDU-LAX 1940 26 14 53.9 91
162 Southwest 805 July AMA-DAL 2010 26 14 53.9 88
163 Southwest 2534 July BOS-PHL 1435 26 14 53.9 71
164 Southwest 703 July LAS-BOI 2005 26 14 53.9 76
165 Southwest 366 July MDW-BUF 2045 26 14 53.9 68
166 Southwest 26 July PHX-ABQ 1520 26 14 53.9 62
167 Southwest 846 July SAN-SFO 940 26 14 53.9 60
168 Southwest 2985 July TPA-BWI 1845 26 14 53.9 100
169 ExpressJet 2764 July EWR-STL 1655 28 15 53.6 86
170 SkyWest 6058 July ACV-SFO 1249 28 15 53.6 87
171 Delta 2442 July ATL-EWR 1345 30 16 53.3 69
172 Delta 1746 July ATL-JAX 2025 30 16 53.3 60
173 Delta 2282 July MIA-JFK 2035 30 16 53.3 102
174 Delta 1770 July SLC-MSP 1702 30 16 53.3 78
175 ExpressJet 2396 July EWR-DTW 1725 30 16 53.3 107
176 ExpressJet 2794 July MCI-IAH 1615 30 16 53.3 92
177 SkyWest 4916 July LAS-LAX 1250 30 16 53.3 44
178 SkyWest 6673 July MRY-SFO 929 30 16 53.3 80
179 Continental 1154 July BOS-EWR 1245 21 11 52.4 77
180 ExpressJet 2985 July EWR-DTW 2005 21 11 52.4 101
181 Continental 1105 July BOS-EWR 1645 23 12 52.2 76
182 AirTran 401 July ATL-LGA 1632 25 13 52.0 90
183 Atlantic Southeast 7107 July CVG-ORD 1953 25 13 52.0 66
184 Comair 6645 July DCA-DSM 1700 25 13 52.0 129
185 Delta 1738 July ATL-DCA 1820 25 13 52.0 89
186 Delta 2686 July ATL-LGA 1840 25 13 52.0 89
187 Delta 2044 July DTW-DCA 1915 25 13 52.0 88
188 ExpressJet 2882 July BNA-EWR 1930 25 13 52.0 75
189 ExpressJet 2362 July EWR-RIC 1655 25 13 52.0 82
190 ExpressJet 2530 July GSO-EWR 1459 25 13 52.0 64
191 ExpressJet 2478 July GSO-EWR 1840 25 13 52.0 95
192 ExpressJet 2042 July IAH-BHM 2005 25 13 52.0 84
193 ExpressJet 2769 July IAH-ELP 1359 25 13 52.0 89
194 ExpressJet 3044 July OMA-IAH 1550 25 13 52.0 82
195 ExpressJet 2250 July PVD-EWR 1309 25 13 52.0 126
196 SkyWest 6376 July DEN-RAP 1755 25 13 52.0 75
197 Southwest 41 July BNA-MCO 2020 25 13 52.0 67
198 Southwest 397 July BWI-DTW 1945 25 13 52.0 71
199 Southwest 1148 July DTW-BWI 1915 25 13 52.0 85
200 Southwest 3189 July LAS-ELP 1930 25 13 52.0 69
201 Southwest 796 July MDW-IAD 2035 25 13 52.0 50
202 Southwest 3401 July MDW-SAT 1910 25 13 52.0 101
203 Southwest 1575 July MSY-BNA 1940 25 13 52.0 83
204 Southwest 1100 July PHX-ELP 2055 25 13 52.0 44
205 ExpressJet 2582 July ATL-EWR 1445 27 14 51.9 86
206 United 691 July LGA-ORD 1814 27 14 51.9 90
207 Delta 2220 July DTW-EWR 1335 29 15 51.7 89
208 Southwest 3572 July DAL-BHM 1915 29 15 51.7 81
209 Comair 6397 July BUF-JFK 1711 31 16 51.6 83
210 Continental 444 July IAH-ORD 1915 31 16 51.6 65
211 Delta 2586 July ATL-LGA 1740 31 16 51.6 89
212 Delta 1020 July ATL-MDW 2030 31 16 51.6 64
213 Delta 2083 July ATL-SAV 2246 31 16 51.6 91
214 Delta 2425 July BWI-ATL 1730 31 16 51.6 97
215 Delta 2136 July DFW-MSP 1808 31 16 51.6 110
216 Delta 2516 July DTW-DCA 1725 31 16 51.6 75
217 Delta 2197 July DTW-MSP 2150 31 16 51.6 66
218 Delta 2467 July DTW-ORD 1935 31 16 51.6 90
219 Delta 2974 July GRB-DTW 1610 31 16 51.6 91
220 Delta 1225 July IAD-ATL 1725 31 16 51.6 94
221 Delta 2618 July MCO-ATL 1730 31 16 51.6 80
222 Delta 2009 July MSP-DEN 1700 31 16 51.6 74
223 ExpressJet 2815 July BDL-EWR 1321 31 16 51.6 105
224 ExpressJet 2603 July EWR-CMH 1715 31 16 51.6 81
225 ExpressJet 3050 July IAH-JAX 1945 31 16 51.6 70
226 JetBlue 83 July JFK-SEA 1914 31 16 51.6 53
227 SkyWest 6652 July MOD-SFO 1039 31 16 51.6 68
228 SkyWest 6508 July SFO-AUS 1051 31 16 51.6 75
229 SkyWest 6380 July SFO-BOI 1157 31 16 51.6 69
230 SkyWest 6264 July SFO-FAT 1254 31 16 51.6 88
231 SkyWest 6350 July SFO-ONT 1213 31 16 51.6 62
232 Southwest 1281 July LAS-OKC 1325 31 16 51.6 60
233 Southwest 762 July MDW-CLE 1950 31 16 51.6 74

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