On-Time Report

Airports › Raleigh/Durham (RDU) › August 2023

Airport month · August 2023

Raleigh-Durham International in August 2023

76.3%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2023, reporting carriers scheduled 5,545 domestic departures from Raleigh-Durham International (RDU). 76.3% left less than 15 minutes late and 75.0% reached their destination on time; 1.9% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so RDU departures were level with the national departure figure.

Flights arriving at RDU that month were on time 72.8% of the time (5,547 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 31% and national aviation system 19%.

Every scheduled departure from RDU in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

MeasureAug 2023Year earlierRDU, 12 months to Jul 2026All reported flights, Aug 2023
Departed on time76.3%—77.5%76.7%
Arrived on time75.0%—77.1%76.9%
Cancelled1.9%—2.3%1.5%
Average departure delay (late minutes only)19.3 min—17.6 min17.3 min
Scheduled departures a day185—15220,100
Scheduled departures5,545—55,461602,987

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AA American Airlines99718%74.4%18.7 min2.0%
DL Delta Air Lines97518%80.8%4.9 min1.6%
WN Southwest Airlines74914%76.5%6.1 min1.3%
9E Endeavor Air61411%81.4%0.4 min1.8%
UA United Airlines59511%77.5%11.3 min0.7%
F9 Frontier Airlines5099%58.3%28.6 min4.9%
YX Republic Airline4318%80.5%3.6 min1.6%
B6 JetBlue Airways3256%59.1%29.2 min3.4%
MQ Envoy Air1513%81.5%2.3 min0.7%
OH PSA Airlines781%73.1%8.6 min2.6%
AS Alaska Airlines621%80.6%0.9 min0.0%
NK Spirit Airlines551%41.8%35.5 min1.8%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
RDU–ATLRaleigh/Durham to Atlanta40577.8%7.3 min2.0%
RDU–JFKRaleigh/Durham to New York40476.7%4.8 min2.0%
RDU–LGARaleigh/Durham to New York35780.4%7.0 min2.2%
RDU–BOSRaleigh/Durham to Boston28362.2%25.7 min1.8%
RDU–CLTRaleigh/Durham to Charlotte28073.6%27.5 min3.6%
RDU–ORDRaleigh/Durham to Chicago24471.7%19.2 min2.0%
RDU–DCARaleigh/Durham to Washington24176.3%10.7 min1.7%
RDU–MCORaleigh/Durham to Orlando24066.7%20.2 min1.7%
RDU–EWRRaleigh/Durham to Newark22678.8%4.4 min0.9%
RDU–DENRaleigh/Durham to Denver21174.9%13.7 min0.9%
RDU–BNARaleigh/Durham to Nashville20381.8%6.0 min0.0%
RDU–PHLRaleigh/Durham to Philadelphia19266.1%21.1 min2.1%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2023.

Delay causes

BTS cause categoryShare of delay minutesNational, Aug 2023Minutes
Air carrier30.5%36.7%31,247
Late-arriving aircraft46.2%42.2%47,421
National Aviation System18.8%15.7%19,288
Extreme weather4.4%5.1%4,518
Security0.1%0.2%96
102,570 delay minutes on 1,269 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
September 2023 →

Questions and answers

How many flights left RDU on time in August 2023?

76.3% of 5,545 scheduled domestic departures left less than 15 minutes late, and 75.0% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for RDU · methodology · corrections.