MARKETING CARRIER REPORT
DL
Delta Air Lines historical flight reliability
Aggregate arrival outcomes across 1,038,570 domestic scheduled reportable flights marketed by Delta Air Lines in July 2025–June 2026.
HISTORICAL ROUTE SIGNALGenerally reliable
80.1%arrived on time
11.8%30+ min late
1.6%cancelled
1,038,570scheduled flights
LARGEST QUALIFYING SAMPLES
SEARCH ROUTES →Delta Air Lines route reports
ATL→MCOAtlanta, GA (ATL) to Orlando, FL (MCO)5,465 flights analyzedVariable69.6%on timeMCO→ATLOrlando, FL (MCO) to Atlanta, GA (ATL)5,463 flights analyzedGenerally reliable78.1%on timeATL→LGAAtlanta, GA (ATL) to New York, NY (LGA)4,936 flights analyzedVariable73.9%on timeLGA→ATLNew York, NY (LGA) to Atlanta, GA (ATL)4,933 flights analyzedVariable77.4%on timeTPA→ATLTampa, FL (TPA) to Atlanta, GA (ATL)4,413 flights analyzedLower disruption80.5%on timeATL→TPAAtlanta, GA (ATL) to Tampa, FL (TPA)4,413 flights analyzedGenerally reliable73.6%on timeATL→FLLAtlanta, GA (ATL) to Fort Lauderdale, FL (FLL)4,272 flights analyzedGenerally reliable72.2%on timeFLL→ATLFort Lauderdale, FL (FLL) to Atlanta, GA (ATL)4,268 flights analyzedGenerally reliable77.5%on timeATL→LAXAtlanta, GA (ATL) to Los Angeles, CA (LAX)3,849 flights analyzedGenerally reliable78.9%on timeLAX→ATLLos Angeles, CA (LAX) to Atlanta, GA (ATL)3,844 flights analyzedLower disruption80.6%on timeATL→DCAAtlanta, GA (ATL) to Washington, DC (DCA)3,838 flights analyzedVariable65.3%on timeDCA→ATLWashington, DC (DCA) to Atlanta, GA (ATL)3,838 flights analyzedVariable78.4%on timeJAX→ATLJacksonville, FL (JAX) to Atlanta, GA (ATL)3,830 flights analyzedGenerally reliable85.0%on timeATL→JAXAtlanta, GA (ATL) to Jacksonville, FL (JAX)3,829 flights analyzedGenerally reliable75.2%on timeRDU→ATLRaleigh/Durham, NC (RDU) to Atlanta, GA (ATL)3,800 flights analyzedLower disruption88.2%on timeATL→RDUAtlanta, GA (ATL) to Raleigh/Durham, NC (RDU)3,799 flights analyzedLower disruption82.1%on timeATL→PBIAtlanta, GA (ATL) to West Palm Beach/Palm Beach, FL (PBI)3,737 flights analyzedGenerally reliable75.1%on timePBI→ATLWest Palm Beach/Palm Beach, FL (PBI) to Atlanta, GA (ATL)3,737 flights analyzedGenerally reliable82.6%on time
Network averages hide route mix.
An airline's national result reflects where and when it flies. A route-specific comparison is usually more useful for a booking decision.