Ronald Reagan Washington National in September 2025

79.1%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 September 2025, reporting carriers scheduled 11,822 domestic departures from Ronald Reagan Washington National (DCA). 79.1% left less than 15 minutes late and 77.1% reached their destination on time; 0.8% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so DCA departures were 4.0 points below the national departure figure.

A year earlier, in September 2024, the airport had 11,546 departures with 85.8% leaving on time: a change of −6.7 points, with flights up 2%.

Flights arriving at DCA that month were on time 76.2% of the time (11,822 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 28% and national aviation system 24%.

On time 77.1%
Arrived 15+ minutes late 21.9%
Cancelled 0.8%
Diverted 0.1%

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

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

Measure	Sep 2025	Sep 2024	DCA, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	79.1%	85.8%	70.9%	83.1%
Arrived on time	77.1%	84.6%	70.1%	82.8%
Cancelled	0.8%	0.7%	3.6%	0.5%
Average departure delay (late minutes only)	14.9 min	10.2 min	21.2 min	12.2 min
Scheduled departures a day	394	385	390	18,748
Scheduled departures	11,822	11,546	142,173	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	3,087	26%	78.1%	4.8 min	1.0%
AA American Airlines	2,726	23%	71.7%	12.5 min	0.8%
YX Republic Airline	2,180	18%	80.0%	2.3 min	1.3%
WN Southwest Airlines	1,320	11%	80.2%	5.5 min	0.1%
DL Delta Air Lines	779	7%	84.3%	1.7 min	0.0%
UA United Airlines	628	5%	80.3%	1.0 min	0.5%
B6 JetBlue Airways	524	4%	64.9%	21.2 min	0.6%
MQ Envoy Air	318	3%	76.4%	2.9 min	2.2%
AS Alaska Airlines	180	2%	78.3%	0.5 min	0.6%
F9 Frontier Airlines	80	1%	78.8%	-2.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DCA–BOS	Washington to Boston	761	59.5%	22.0 min	2.0%
DCA–ATL	Washington to Atlanta	594	84.8%	-0.8 min	0.2%
DCA–ORD	Washington to Chicago	577	76.1%	6.3 min	0.3%
DCA–LGA	Washington to New York	385	76.6%	6.8 min	1.8%
DCA–MCO	Washington to Orlando	358	77.9%	15.7 min	0.0%
DCA–BNA	Washington to Nashville	338	83.7%	0.0 min	0.0%
DCA–MIA	Washington to Miami	326	67.2%	10.2 min	0.6%
DCA–IAH	Washington to Houston	272	86.0%	-6.5 min	0.0%
DCA–DFW	Washington to Dallas/Fort Worth	270	74.8%	8.0 min	2.6%
DCA–JFK	Washington to New York	262	82.4%	5.0 min	2.3%
DCA–DTW	Washington to Detroit	247	87.4%	0.9 min	0.0%
DCA–CLT	Washington to Charlotte	239	77.4%	20.6 min	1.7%

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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	27.9%	34.3%	47,954
Late-arriving aircraft	44.9%	37.4%	77,231
National Aviation System	24.1%	22.6%	41,380
Extreme weather	3.1%	5.6%	5,270
Security	0.1%	0.1%	144

171,979 delay minutes on 2,591 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 September 2025?

79.1% of 11,822 scheduled domestic departures left less than 15 minutes late, and 77.1% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 85.8% of 11,546 departures left on time and 0.7% were cancelled, against 79.1% and 0.8% in September 2025.

Provenance

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