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May-June 2012 Regularly Scheduled Flights with More than 50% Delayed Arrivals of More than 30 Minutes

CarrierFlight NumberMonthOrigin-DestScheduled Departure TimeTotal Operations (minimum of 10 per month)*Number Not On-Time*Percent Not On-Time*Average Minutes of Delay (30 min late flights only)**
ExpressJet5975MayCVG-ORD2044251456.0089
ExpressJet6185JunCVG-ORD2018221359.0985
ExpressJet4391MayDCA-EWR1854261973.0884
ExpressJet4391JunDCA-EWR1856251456.0057
ExpressJet4448MayEWR-DCA1715292068.9776
ExpressJet4448JunEWR-DCA1719301653.3377
ExpressJet4539MayEWR-IAD1705311754.8491
ExpressJet4530JunEWR-IAD1706301653.33124
ExpressJet4447MayEWR-MKE1959251352.0089
ExpressJet4282JunEWR-MKE2000241354.1772
ExpressJet4171MayEWR-RDU2115261453.8598
ExpressJet4237JunEWR-RDU2129251352.0070
ExpressJet4655MayEWR-RIC2109261661.5485
ExpressJet4438JunEWR-RIC2106251352.0074
ExpressJet6101MayIAD-SDF1903311651.6187
ExpressJet5930JunIAD-SDF1900301756.67136
ExpressJet4447MayORF-EWR1701312064.5285
ExpressJet4620JunORF-EWR1717301756.6791
Southwest100MayBWI-LGA1940271762.9686
Southwest2512JunBWI-LGA1945251560.0076
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