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

May 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 4637 May LAS-LAX 1552 25 23 92.0 64
2 SkyWest 4834 May LAX-LAS 1730 25 23 92.0 73
3 SkyWest 4922 May LAX-LAS 1422 25 23 92.0 53
4 Comair 6770 May PHL-JFK 1739 25 19 76.0 92
5 Comair 6736 May DCA-JFK 1755 31 23 74.2 88
6 SkyWest 4488 May OKC-MSP 1135 29 21 72.4 53
7 Delta 2912 May ATL-ORD 1715 25 18 72.0 84
8 Southwest 620 May SFO-DEN 1825 19 13 68.4 87
9 Delta 2252 May ATL-MEM 1850 31 21 67.7 110
10 Southwest 52 May DAL-LBB 2015 26 17 65.4 79
11 Pinnacle 3703 May RDU-DTW 1855 25 16 64.0 104
12 Delta 1777 May ORD-ATL 1905 25 16 64.0 79
13 Southwest 595 May BWI-SDF 2050 19 12 63.2 68
14 American 1940 May ORD-MIA 1915 31 19 61.3 107
15 Delta 2218 May DTW-JFK 1530 31 19 61.3 78
16 Delta 1677 May ORD-ATL 1508 31 19 61.3 100
17 American Eagle 3608 May ATL-MIA 1600 31 19 61.3 68
18 Comair 6599 May JFK-IAH 2015 31 19 61.3 83
19 Southwest 413 May DAL-MAF 1950 20 12 60.0 51
20 Delta 1484 May DTW-EWR 1545 29 17 58.6 82
21 SkyWest 4484 May LAS-LAX 1935 31 18 58.1 60
22 Southwest 398 May ELP-SAT 1905 19 11 57.9 77
23 Pinnacle 3876 May CMH-LGA 1625 25 14 56.0 80
24 Pinnacle 3960 May IND-RDU 1650 25 14 56.0 82
25 Pinnacle 3876 May LGA-CMH 1355 25 14 56.0 77
26 Pinnacle 4301 May PWM-LGA 1720 25 14 56.0 66
27 Comair 6507 May DTW-IAH 1515 25 14 56.0 107
28 Comair 6390 May IAH-MSP 1748 25 14 56.0 108
29 ExpressJet 2452 May ATL-EWR 1700 25 14 56.0 129
30 ExpressJet 5728 May ROA-ORD 1742 25 14 56.0 104
31 ExpressJet 3082 May SDF-EWR 1720 25 14 56.0 81
32 ExpressJet 2868 May STL-EWR 1655 25 14 56.0 91
33 Delta 2845 May DTW-SFO 1220 18 10 55.6 80
34 Southwest 220 May MDW-AUS 2025 20 11 55.0 50
35 Delta 2888 May ATL-GRR 2035 31 17 54.8 119
36 Delta 2859 May MEM-MCI 2006 31 17 54.8 118
37 American Eagle 3622 May ORF-MIA 1715 31 17 54.8 85
38 Comair 6521 May JFK-MCI 1800 31 17 54.8 92
39 Comair 6517 May SYR-JFK 1823 31 17 54.8 76
40 ExpressJet 2396 May EWR-DTW 1705 31 17 54.8 88
41 Pinnacle 4331 May LGA-SAV 2000 22 12 54.6 83
42 Pinnacle 4304 May ORF-LGA 1745 22 12 54.6 86
43 Southwest 3692 May BWI-BDL 1720 22 12 54.6 72
44 Pinnacle 3684 May CAE-LGA 700 24 13 54.2 83
45 Pinnacle 4200 May SAV-LGA 1845 24 13 54.2 102
46 United 646 May ORD-EWR 1309 26 14 53.9 77
47 Southwest 45 May HOU-HRL 1900 19 10 52.6 83
48 Comair 6582 May ORD-JFK 1335 21 11 52.4 75
49 United 685 May LGA-ORD 1503 21 11 52.4 129
50 Southwest 1273 May DAL-SAT 1850 21 11 52.4 73
51 ExpressJet 2399 May ATL-IAH 1830 21 11 52.4 72
52 Pinnacle 4287 May LGA-CAE 1930 25 13 52.0 86
53 Pinnacle 3814 May LGA-IND 1400 25 13 52.0 85
54 Pinnacle 4200 May LGA-SAV 1545 25 13 52.0 57
55 Delta 2044 May IND-DTW 1715 25 13 52.0 72
56 Comair 6253 May DTW-OKC 2000 25 13 52.0 51
57 Comair 6455 May ORF-DTW 1620 25 13 52.0 106
58 SkyWest 6650 May SFO-MOD 2130 25 13 52.0 110
59 Southwest 1205 May STL-SDF 2015 25 13 52.0 61
60 ExpressJet 2665 May DTW-EWR 1952 25 13 52.0 92
61 ExpressJet 2613 May EWR-CMH 1930 25 13 52.0 111
62 ExpressJet 2337 May ORD-EWR 1400 25 13 52.0 98
63 ExpressJet 5680 May ORD-GSP 1928 25 13 52.0 98
64 American 2477 May DFW-LAX 1935 31 16 51.6 76
65 Delta 126 May DTW-JFK 1315 31 16 51.6 82
66 Delta 1591 May FNT-ATL 1720 31 16 51.6 96
67 Delta 2083 May MDW-ATL 1750 31 16 51.6 85
68 American Eagle 3621 May MIA-ORF 1435 31 16 51.6 92
69 American Eagle 3800 May ORD-PHL 1130 31 16 51.6 75
70 Comair 6473 May DFW-JFK 1030 31 16 51.6 69
71 ExpressJet 2714 May BWI-EWR 1755 31 16 51.6 103

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