Raleigh-Durham International in December 2023

83.5%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 December 2023, reporting carriers scheduled 4,728 domestic departures from Raleigh-Durham International (RDU). 83.5% left less than 15 minutes late and 83.4% reached their destination on time; 0.4% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so RDU departures were level with the national departure figure.

Flights arriving at RDU that month were on time 81.9% of the time (4,727 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 37% and national aviation system 21%.

On time 83.4%
Arrived 15+ minutes late 16.0%
Cancelled 0.4%
Diverted 0.2%

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

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

Measure	Dec 2023	Year earlier	RDU, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	83.5%	—	77.5%	83.1%
Arrived on time	83.4%	—	77.1%	83.8%
Cancelled	0.4%	—	2.3%	0.4%
Average departure delay (late minutes only)	12.5 min	—	17.6 min	11.6 min
Scheduled departures a day	158	—	152	19,013
Scheduled departures	4,728	—	55,461	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	889	19%	90.4%	-4.7 min	0.0%
AA American Airlines	883	19%	82.3%	6.7 min	0.3%
WN Southwest Airlines	772	16%	83.7%	1.6 min	0.4%
9E Endeavor Air	541	11%	80.4%	-1.3 min	1.1%
YX Republic Airline	467	10%	88.4%	-5.5 min	0.2%
UA United Airlines	424	9%	88.7%	-6.7 min	0.0%
B6 JetBlue Airways	240	5%	65.4%	15.9 min	0.4%
F9 Frontier Airlines	235	5%	84.3%	2.6 min	0.0%
MQ Envoy Air	150	3%	72.0%	10.3 min	0.7%
OH PSA Airlines	65	1%	58.5%	19.3 min	3.1%
AS Alaska Airlines	31	1%	90.3%	-7.9 min	0.0%
NK Spirit Airlines	31	1%	41.9%	37.2 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	398	89.2%	-2.9 min	0.3%
RDU–JFK	Raleigh/Durham to New York	323	78.0%	-1.9 min	0.9%
RDU–LGA	Raleigh/Durham to New York	277	81.2%	4.9 min	1.1%
RDU–CLT	Raleigh/Durham to Charlotte	272	82.4%	9.3 min	0.4%
RDU–MCO	Raleigh/Durham to Orlando	244	81.1%	8.4 min	0.0%
RDU–ORD	Raleigh/Durham to Chicago	239	92.5%	-6.8 min	0.0%
RDU–DCA	Raleigh/Durham to Washington	208	68.8%	9.8 min	1.0%
RDU–MIA	Raleigh/Durham to Miami	196	73.0%	10.5 min	0.0%
RDU–BOS	Raleigh/Durham to Boston	191	80.6%	5.5 min	0.5%
RDU–EWR	Raleigh/Durham to Newark	188	86.2%	-3.6 min	0.5%
RDU–BNA	Raleigh/Durham to Nashville	183	85.2%	-0.2 min	0.0%
RDU–DFW	Raleigh/Durham to Dallas/Fort Worth	177	88.1%	-5.3 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	36.7%	37.1%	19,156
Late-arriving aircraft	42.1%	38.8%	21,992
National Aviation System	20.5%	17.6%	10,727
Extreme weather	0.6%	6.2%	312
Security	0.1%	0.3%	47

52,234 delay minutes on 756 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left RDU on time in December 2023?

83.5% of 4,728 scheduled domestic departures left less than 15 minutes late, and 83.4% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 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 December 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.