Ronald Reagan Washington National in August 2025

76.2%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 2025, reporting carriers scheduled 12,098 domestic departures from Ronald Reagan Washington National (DCA). 76.2% left less than 15 minutes late and 75.0% reached their destination on time; 2.1% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so DCA departures were 0.6 points below the national departure figure.

A year earlier, in August 2024, the airport had 11,874 departures with 72.5% leaving on time: a change of +3.7 points, with flights up 2%.

Flights arriving at DCA that month were on time 74.1% of the time (12,099 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 26% and national aviation system 19%.

On time 75.0%
Arrived 15+ minutes late 22.6%
Cancelled 2.1%
Diverted 0.3%

Every scheduled departure from DCA in August 2025, judged by arrival at the destination.

August 2025 against a year earlier, the airport's year and the nation

Measure	Aug 2025	Aug 2024	DCA, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	76.2%	72.5%	70.9%	76.8%
Arrived on time	75.0%	70.5%	70.1%	76.3%
Cancelled	2.1%	3.8%	3.6%	1.1%
Average departure delay (late minutes only)	17.8 min	22.3 min	21.2 min	17.6 min
Scheduled departures a day	403	396	390	20,079
Scheduled departures	12,098	11,874	142,173	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	3,479	29%	69.7%	12.8 min	3.4%
AA American Airlines	2,400	20%	73.0%	12.5 min	1.5%
YX Republic Airline	2,232	18%	81.4%	0.9 min	1.8%
WN Southwest Airlines	1,357	11%	75.6%	9.4 min	1.0%
DL Delta Air Lines	806	7%	78.8%	8.4 min	2.4%
UA United Airlines	642	5%	77.7%	5.8 min	2.0%
B6 JetBlue Airways	562	5%	75.8%	9.4 min	0.9%
MQ Envoy Air	350	3%	80.3%	13.3 min	1.7%
AS Alaska Airlines	186	2%	78.5%	4.9 min	1.6%
F9 Frontier Airlines	84	1%	76.2%	3.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DCA–BOS	Washington to Boston	740	80.9%	0.4 min	2.2%
DCA–ORD	Washington to Chicago	584	74.3%	11.4 min	2.9%
DCA–ATL	Washington to Atlanta	583	78.7%	9.3 min	1.9%
DCA–LGA	Washington to New York	406	80.8%	4.9 min	1.7%
DCA–MCO	Washington to Orlando	385	67.0%	25.5 min	1.8%
DCA–BNA	Washington to Nashville	346	82.9%	-0.8 min	1.7%
DCA–MIA	Washington to Miami	335	71.9%	14.9 min	0.9%
DCA–DFW	Washington to Dallas/Fort Worth	274	71.9%	13.2 min	3.3%
DCA–CLT	Washington to Charlotte	242	74.8%	19.6 min	0.4%
DCA–DTW	Washington to Detroit	233	80.3%	-0.5 min	2.1%
DCA–JFK	Washington to New York	217	79.7%	-0.9 min	3.2%
DCA–IAH	Washington to Houston	207	81.6%	1.2 min	1.0%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	26.0%	33.1%	52,836
Late-arriving aircraft	49.4%	40.5%	100,291
National Aviation System	18.6%	19.2%	37,728
Extreme weather	6.0%	7.0%	12,094
Security	0.0%	0.1%	73

203,022 delay minutes on 2,737 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 DCA on time in August 2025?

76.2% of 12,098 scheduled domestic departures left less than 15 minutes late, and 75.0% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 72.5% of 11,874 departures left on time and 3.8% were cancelled, against 76.2% and 2.1% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DCA · methodology · corrections.