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

December 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 ExpressJet 4291 Dec STL-EWR 1240 12 10 83.33 110
2 ExpressJet 4680 Dec EWR-BNA 2140 10 7 70.00 126
3 ExpressJet 4688 Dec EWR-OMA 2100 26 17 65.38 76
4 Atlantic Southeast 5710 Dec IAD-PNS 1943 17 11 64.71 70
5 Atlantic Southeast 5697 Dec ORD-ROA 1410 14 9 64.29 100
6 Atlantic Southeast 5706 Dec ROA-ORD 1722 14 9 64.29 113
7 ExpressJet 4282 Dec EWR-SAV 1935 13 8 61.54 101
8 ExpressJet 4271 Dec PVD-EWR 1725 13 8 61.54 63
9 ExpressJet 4624 Dec EWR-MSP 2050 15 9 60.00 63
10 ExpressJet 4232 Dec JAX-EWR 1754 27 16 59.26 86
11 ExpressJet 4508 Dec AUS-IAH 1300 12 7 58.33 73
12 SkyWest 5653 Dec PSP-SFO 2026 12 7 58.33 85
13 SkyWest 6427 Dec RNO-SFO 1942 12 7 58.33 63
14 ExpressJet 4614 Dec GRR-EWR 1832 26 15 57.69 90
15 Southwest 3168 Dec HOU-EWR 1735 26 15 57.69 125
16 ExpressJet 4617 Dec BWI-EWR 1448 14 8 57.14 162
17 SkyWest 5361 Dec DSM-DEN 1945 14 8 57.14 66
18 SkyWest 5437 Dec SFO-GEG 2020 16 9 56.25 58
19 ExpressJet 4531 Dec EWR-BNA 1815 27 15 55.56 102
20 ExpressJet 4518 Dec EWR-ATL 2050 11 6 54.55 83
21 Atlantic Southeast 5236 Dec BMI-ATL 1650 13 7 53.85 66
22 ExpressJet 4230 Dec DCA-EWR 1859 26 14 53.85 112
23 ExpressJet 4271 Dec EWR-PVD 1555 13 7 53.85 73
24 ExpressJet 4616 Dec MKE-EWR 1408 26 14 53.85 114
25 ExpressJet 4520 Dec STL-EWR 1654 26 14 53.85 93
26 SkyWest 6470 Dec SFO-SAN 1621 15 8 53.33 66
27 ExpressJet 4285 Dec EWR-SDF 2100 21 11 52.38 116
28 ExpressJet 4281 Dec SAV-EWR 1934 21 11 52.38 99
29 ExpressJet 4525 Dec MEM-EWR 1231 25 13 52.00 84

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