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September 2014 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

RankCarrierFlight NumberMonthOrigin-DestScheduled Departure TimeNumber 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)**
1SkyWest5603SepPHX-SFO92011981.8279
2Frontier1329SepMCO-IAD1945161275.0073
3SkyWest5458SepSBP-SFO83012975.00112
4ExpressJet2547SepSHV-DFW1830261973.0877
5SkyWest6234SepABQ-SFO81011872.73106
6SkyWest5503SepMRY-SFO1039302170.0087
7ExpressJet2547SepDFW-SHV1715261869.2373
8Frontier1330SepIAD-MCO1650161168.7569
9SkyWest6345SepJAC-SFO80512866.67100
10SkyWest6396SepBOI-SFO835281864.2991
11ExpressJet5965SepORD-BWI132211763.6452
12SkyWest6450SepRNO-SFO114511763.6469
13Southwest941SepOAK-BWI1200291862.0747
14ExpressJet4437SepORD-CLE174613861.54109
15Envoy2917SepDEN-ORD1530301860.0077
16Envoy3412SepTYS-ORD1610301860.0076
17SkyWest5629SepPSP-SFO800301860.00119
18SkyWest5398SepSMF-SFO836301860.0062
19SkyWest5503SepSFO-MRY956301860.0091
20United294SepSEA-SFO724271659.2689
21ExpressJet4117SepDEN-OKC140612758.3370
22ExpressJet6114SepORD-ICT155012758.33140
23SkyWest6304SepBUR-SFO140012758.3363
24ExpressJet2501SepDFW-BRO2010261557.6988
25Southwest2501SepBWI-IND1920261557.6966
26ExpressJet2554SepTYS-DFW1440281657.1495
27SkyWest6286SepSBA-SFO835211257.1489
28Southwest359SepMCO-ATL1525211257.14102
29Alaska222SepSEA-SFO715301756.6747
30ExpressJet2529SepFSD-DFW1645301756.6784
31Frontier1300SepIAD-ATL125516956.2576
32SkyWest5655SepBUR-SFO948181055.5686
33SkyWest6286SepSBA-SFO1000271555.5694
34ExpressJet5965SepBWI-ORD165311654.5552
35ExpressJet5925SepFSD-ORD121711654.55104
36ExpressJet4129SepORD-ICT181011654.5580
37ExpressJet3949SepORD-MCI132011654.5554
38ExpressJet5969SepTYS-ORD94511654.55162
39SkyWest5200SepABQ-ORD123011654.5580
40SkyWest5200SepORD-ABQ95511654.5564
41SkyWest5401SepPSC-SFO125811654.5565
42SkyWest5420SepSFO-PSC104011654.5576
43United1148SepORD-MCO194511654.5581
44ExpressJet3841SepJAN-ORD1450241354.17117
45ExpressJet2511SepBRO-DFW1830261453.8596
46ExpressJet4326SepCLT-EWR1902261453.8588
47ExpressJet5141SepHPN-ATL1729261453.8564
48SkyWest4988SepATL-ORD1653261453.8581
49SkyWest5199SepSFO-SLC114013753.8569
50Southwest537SepLAX-LAS1955261453.8567
51Southwest189SepSAN-SFO800261453.8557
52ExpressJet2554SepDFW-TYS1120281553.5773
53SkyWest6509SepSFO-SBA1121281553.5789
54ExpressJet2511SepDFW-BRO1640301653.3399
55United834SepLAS-SFO80515853.3353
56ExpressJet5886SepRAP-ORD141317952.9452
57ExpressJet4249SepORF-ORD170617952.9476
58SkyWest6249SepLAS-SFO908211152.3869
59SkyWest5257SepSAN-SFO939251352.0067
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