Raleigh-Durham International in December 2024

80.5%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 2024, reporting carriers scheduled 5,010 domestic departures from Raleigh-Durham International (RDU). 80.5% left less than 15 minutes late and 80.1% reached their destination on time; 0.4% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so RDU departures were 2.7 points above the national departure figure.

A year earlier, in December 2023, the airport had 4,728 departures with 83.5% leaving on time: a change of −3.0 points, with flights up 6%.

Flights arriving at RDU that month were on time 79.1% of the time (5,007 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, national aviation system 29% and air carrier 27%.

On time 80.1%
Arrived 15+ minutes late 19.4%
Cancelled 0.4%
Diverted 0.1%

Every scheduled departure from RDU in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	RDU, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	80.5%	83.5%	77.5%	77.8%
Arrived on time	80.1%	83.4%	77.1%	78.1%
Cancelled	0.4%	0.4%	2.3%	0.7%
Average departure delay (late minutes only)	13.1 min	12.5 min	17.6 min	16.6 min
Scheduled departures a day	167	158	152	19,686
Scheduled departures	5,010	4,728	55,461	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	928	19%	83.6%	0.2 min	0.1%
WN Southwest Airlines	803	16%	83.1%	1.4 min	0.0%
AA American Airlines	767	15%	80.1%	2.4 min	0.7%
YX Republic Airline	617	12%	78.4%	3.7 min	0.3%
UA United Airlines	485	10%	81.6%	3.1 min	0.0%
9E Endeavor Air	436	9%	72.5%	7.6 min	0.2%
F9 Frontier Airlines	309	6%	80.3%	3.0 min	0.3%
B6 JetBlue Airways	291	6%	71.5%	10.3 min	2.4%
OO SkyWest Airlines	117	2%	82.1%	-2.7 min	0.0%
MQ Envoy Air	83	2%	75.9%	4.1 min	1.2%
OH PSA Airlines	82	2%	81.7%	-4.3 min	2.4%
NK Spirit Airlines	48	1%	85.4%	10.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RDU–ATL	Raleigh/Durham to Atlanta	398	84.4%	-0.4 min	0.0%
RDU–LGA	Raleigh/Durham to New York	323	75.2%	8.0 min	0.0%
RDU–JFK	Raleigh/Durham to New York	321	74.5%	9.6 min	0.6%
RDU–CLT	Raleigh/Durham to Charlotte	292	80.5%	1.4 min	0.0%
RDU–ORD	Raleigh/Durham to Chicago	264	84.1%	-2.9 min	0.0%
RDU–BOS	Raleigh/Durham to Boston	263	80.2%	-0.4 min	1.9%
RDU–EWR	Raleigh/Durham to Newark	226	67.3%	15.7 min	0.4%
RDU–DCA	Raleigh/Durham to Washington	219	68.0%	6.9 min	0.9%
RDU–MIA	Raleigh/Durham to Miami	205	81.5%	4.1 min	1.0%
RDU–MCO	Raleigh/Durham to Orlando	198	84.8%	0.3 min	0.5%
RDU–PHL	Raleigh/Durham to Philadelphia	190	75.3%	5.5 min	0.0%
RDU–DFW	Raleigh/Durham to Dallas/Fort Worth	182	75.3%	6.9 min	2.7%

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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	27.3%	34.3%	16,030
Late-arriving aircraft	42.8%	40.2%	25,123
National Aviation System	29.0%	17.8%	17,033
Extreme weather	0.9%	7.5%	538
Security	0.1%	0.2%	41

58,765 delay minutes on 973 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 2024?

80.5% of 5,010 scheduled domestic departures left less than 15 minutes late, and 80.1% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 83.5% of 4,728 departures left on time and 0.4% were cancelled, against 80.5% and 0.4% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; 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.