Washington Dulles International in February 2026

84.0%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 February 2026, reporting carriers scheduled 4,037 domestic departures from Washington Dulles International (IAD). 84.0% left less than 15 minutes late and 82.1% reached their destination on time; 1.3% were cancelled.

Nationally that month, 78.1% of flights departed on time and 78.3% arrived on time, so IAD departures were 5.9 points above the national departure figure.

A year earlier, in February 2025, the airport had 3,742 departures with 84.6% leaving on time: a change of −0.6 points, with flights up 8%.

Flights arriving at IAD that month were on time 83.8% of the time (3,983 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, national aviation system 30% and late-arriving aircraft 25%.

On time 82.1%
Arrived 15+ minutes late 16.4%
Cancelled 1.3%
Diverted 0.2%

Every scheduled departure from IAD in February 2026, judged by arrival at the destination.

February 2026 against a year earlier, the airport's year and the nation

Measure	Feb 2026	Feb 2025	IAD, 12 months to Jul 2026	All reported flights, Feb 2026
Departed on time	84.0%	84.6%	82.6%	78.1%
Arrived on time	82.1%	78.9%	80.1%	78.3%
Cancelled	1.3%	1.0%	1.4%	2.3%
Average departure delay (late minutes only)	12.3 min	10.8 min	14.7 min	15.0 min
Scheduled departures a day	135	125	159	17,168
Scheduled departures	4,037	3,742	58,031	515,037

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	2,689	67%	82.7%	-0.1 min	0.9%
YX Republic Airline	553	14%	81.7%	-2.1 min	2.4%
DL Delta Air Lines	218	5%	81.7%	1.6 min	4.1%
OO SkyWest Airlines	165	4%	74.5%	22.8 min	1.2%
F9 Frontier Airlines	84	2%	79.8%	26.2 min	1.2%
AA American Airlines	83	2%	83.1%	5.1 min	1.2%
WN Southwest Airlines	80	2%	85.0%	-1.7 min	0.0%
OH PSA Airlines	79	2%	82.3%	-7.2 min	3.8%
AS Alaska Airlines	65	2%	80.0%	-5.5 min	1.5%
G4 Allegiant Air	21	1%	76.2%	-3.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
IAD–ATL	Washington to Atlanta	262	83.2%	-2.9 min	2.3%
IAD–DEN	Washington to Denver	257	82.1%	0.9 min	0.4%
IAD–SFO	Washington to San Francisco	189	78.3%	9.5 min	0.0%
IAD–CLT	Washington to Charlotte	177	82.5%	-6.8 min	2.3%
IAD–MCO	Washington to Orlando	170	85.3%	7.3 min	0.0%
IAD–LAX	Washington to Los Angeles	158	79.1%	-2.0 min	0.0%
IAD–DFW	Washington to Dallas/Fort Worth	140	85.7%	2.4 min	0.0%
IAD–EWR	Washington to Newark	112	79.5%	1.9 min	7.1%
IAD–IAH	Washington to Houston	112	93.8%	-17.3 min	0.0%
IAD–ORD	Washington to Chicago	112	75.0%	3.6 min	0.0%
IAD–CMH	Washington to Columbus	104	76.0%	2.7 min	1.0%
IAD–PIT	Washington to Pittsburgh	104	86.5%	-2.4 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), February 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Feb 2026	Minutes
Air carrier	38.0%	38.2%	18,638
Late-arriving aircraft	24.7%	37.2%	12,122
National Aviation System	29.7%	18.5%	14,599
Extreme weather	7.5%	6.0%	3,705
Security	0.0%	0.2%	10

49,074 delay minutes on 662 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 IAD on time in February 2026?

84.0% of 4,037 scheduled domestic departures left less than 15 minutes late, and 82.1% reached their destination on time. The national figures that month were 78.1% and 78.3%.

How does that compare with a year earlier?

In February 2025, 84.6% of 3,742 departures left on time and 1.0% were cancelled, against 84.0% and 1.3% in February 2026.

Provenance

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