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United States Department of Transportation United States Department of Transportation

May 2015 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

Dataset Table:

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 Spirit 315 May TPA-IAH 1635 24 21 87.50 100
2 Spirit 906 May IAH-DTW 1900 25 21 84.00 109
3 Spirit 853 May ORD-DEN 2155 31 26 83.87 110
4 Spirit 500 May IAH-ORD 1839 31 26 83.87 109
5 Spirit 327 May IAH-LAX 1425 25 20 80.00 112
6 Spirit 968 May ORD-BWI 2105 31 22 70.97 85
7 Spirit 314 May IAH-TPA 1250 24 17 70.83 72
8 Southwest 105 May LAX-SJC 2150 25 17 68.00 51
9 Spirit 903 May ORD-DFW 2008 31 21 67.74 84
10 Spirit 736 May LAX-ORD 1700 31 21 67.74 122
11 Spirit 216 May LAX-IAH 825 24 16 66.67 87
12 Southwest 3765 May HOU-EWR 1725 26 17 65.38 90
13 Spirit 331 May LGA-ORD 2155 31 20 64.52 74
14 Spirit 713 May IAH-DEN 1739 31 20 64.52 87
15 Spirit 992 May MSY-ORD 1755 31 20 64.52 92
16 Spirit 805 May ATL-LAS 2131 25 16 64.00 77
17 Envoy 3499 May HOU-DFW 1940 25 16 64.00 180
18 ExpressJet 2603 May DFW-ACT 2200 25 16 64.00 110
19 Southwest 44 May PHX-BUR 1955 25 16 64.00 77
20 Southwest 567 May LAX-SFO 850 25 16 64.00 60
21 SkyWest 5165 May DFW-IAH 1521 19 12 63.16 97
22 ExpressJet 2690 May TYS-DFW 1933 21 13 61.90 102
23 Southwest 164 May LAX-OAK 1630 26 16 61.54 56
24 Spirit 630 May ORD-LGA 1759 31 19 61.29 77
25 Spirit 893 May ORD-DFW 925 31 19 61.29 93
26 Spirit 614 May MSP-ORD 1832 31 19 61.29 81
27 Spirit 567 May DTW-ATL 1842 31 19 61.29 69
28 Frontier 1265 May ORD-LAS 2010 31 19 61.29 74
29 Spirit 770 May ATL-DTW 1605 31 19 61.29 97
30 Spirit 646 May TPA-DTW 1935 18 11 61.11 107
31 Southwest 1398 May SEA-DAL 1135 23 14 60.87 53
32 Southwest 4467 May LAX-SFO 2030 25 15 60.00 78
33 Southwest 48 May DAL-TPA 1940 25 15 60.00 85
34 Envoy 3499 May DFW-HOU 1756 25 15 60.00 76
35 Southwest 2096 May LAS-SFO 2045 29 17 58.62 70
36 Spirit 709 May LAX-DTW 2158 31 18 58.06 75
37 Frontier 1265 May PHL-ORD 1810 31 18 58.06 101
38 Spirit 747 May MSP-DFW 1850 31 18 58.06 120
39 Spirit 742 May DFW-MSP 1535 31 18 58.06 109
40 Spirit 113 May BWI-IAH 1541 31 18 58.06 97
41 Frontier 1120 May LAS-CVG 2245 31 18 58.06 96
42 Spirit 595 May ORD-IAH 925 31 18 58.06 94
43 Southwest 4305 May OAK-ONT 1825 26 15 57.69 65
44 Southwest 806 May DAL-LBB 2030 26 15 57.69 78
45 Southwest 46 May DAL-ELP 1910 26 15 57.69 84
46 SkyWest 5620 May IAH-DFW 1330 21 12 57.14 78
47 SkyWest 5215 May MIA-IAH 1449 25 14 56.00 79
48 Southwest 181 May BUR-LAS 2145 25 14 56.00 64
49 Spirit 806 May LAS-ATL 2340 25 14 56.00 80
50 United 1274 May IAH-LAX 1742 27 15 55.56 75
51 Spirit 729 May ORD-TPA 1515 18 10 55.56 113
52 United 1485 May IAH-BOS 1918 29 16 55.17 82
53 Spirit 976 May DEN-DTW 1959 31 17 54.84 88
54 Spirit 456 May ORD-FLL 700 31 17 54.84 119
55 Spirit 615 May FLL-TPA 2150 31 17 54.84 103
56 Southwest 929 May ONT-OAK 1725 26 14 53.85 48
57 Southwest 1350 May HOU-MAF 1715 26 14 53.85 66
58 Southwest 42 May DAL-SAT 1805 26 14 53.85 76
59 Southwest 1350 May TUL-HOU 1510 26 14 53.85 55
60 Southwest 207 May DAL-AUS 1620 26 14 53.85 85
61 United 282 May DCA-IAH 1743 26 14 53.85 91
62 Southwest 207 May LAX-SMF 2050 30 16 53.33 90
63 Virgin America 26 May SFO-JFK 1355 19 10 52.63 60
64 ExpressJet 2730 May PIB-DFW 1540 21 11 52.38 107
65 SkyWest 5157 May BFL-IAH 1145 21 11 52.38 91
66 United 1685 May AUS-IAH 1706 21 11 52.38 105
67 SkyWest 5584 May IAH-PHX 1818 25 13 52.00 59
68 Southwest 1625 May BOS-CAK 2100 25 13 52.00 150
69 Southwest 620 May HOU-TUL 2210 25 13 52.00 64
70 Southwest 741 May HOU-DAL 1830 27 14 51.85 64
71 Spirit 330 May DFW-CLE 2028 31 16 51.61 61
72 Spirit 442 May DFW-MCI 1855 31 16 51.61 94
73 Spirit 940 May DFW-ORD 607 31 16 51.61 77
74 Spirit 832 May IAH-MCO 1318 31 16 51.61 72
75 Spirit 912 May MCO-ORD 1726 31 16 51.61 76
76 Spirit 612 May MSP-ORD 604 31 16 51.61 108
77 Spirit 708 May ORD-BOS 1336 31 16 51.61 85
78 Spirit 654 May PDX-ORD 2355 31 16 51.61 91
79 United 623 May ORD-LAX 1830 31 16 51.61 57
80 Southwest 12 May LGA-DEN 1655 31 16 51.61 103

Notes:

* Includes canceled and diverted flights

** For flights late more than 30 minutes only.  Excludes canceled and diverted flights

Source:

Bureau of Transportation Statistics, Airline On-Time Data