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: On-Time Performance
Sum : Number of Flights by UniqueCarrier for 2018
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 Latest available 2018 data is May    
Note: US Airways and America West started to report combined on-time data in January 2006 and combined traffic and financial data in October 2007 following their 2005 merger announcement. Delta and Northwest began reporting jointly in January 2010 following their 2008 merger announcement. Continental Micronesia was combined into Continental Airlines in December 2010 and joint reporting began in January 2011. Atlantic Southeast and ExpressJet began reporting jointly in January 2012. United and Continental began reporting jointly in January 2012 following their 2010 merger announcement. Endeavor (9E) operated as Pinnacle prior to August 2013. Envoy (MQ) operated as American Eagle prior to April 2014. Southwest (WN) and AirTran (FL) began reporting jointly in January 2015 following their 2011 merger announcement.
All Rows Shown
CodeDescriptionSummary
9EEndeavor Air Inc.98,879
AAAmerican Airlines Inc.372,536
ASAlaska Airlines Inc.90,266
B6JetBlue Airways126,567
DLDelta Air Lines Inc.379,669
EVExpressJet Airlines Inc.93,449
F9Frontier Airlines Inc.47,709
G4Allegiant Air39,316
HAHawaiian Airlines Inc.33,283
MQEnvoy Air116,300
NKSpirit Air Lines71,429
OHPSA Airlines Inc.113,223
OOSkyWest Airlines Inc.310,795
UAUnited Air Lines Inc.239,587
VXVirgin America17,670
WNSouthwest Airlines Co.554,079
YVMesa Airlines Inc.81,650
YXRepublic Airline129,005
All RowsAll groups (including those not displayed) in the selected category 2,915,412
All Rows Shown