California Redwood Coast Humboldt County in April 2025

83.3%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 April 2025, reporting carriers scheduled 150 domestic departures from California Redwood Coast Humboldt County (ACV). 83.3% left less than 15 minutes late and 78.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so ACV departures were 2.7 points above the national departure figure.

A year earlier, in April 2024, the airport had 120 departures with 78.3% leaving on time: a change of +5.0 points, with flights up 25%.

Flights arriving at ACV that month were on time 88.7% of the time (150 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 71%, late-arriving aircraft 21% and extreme weather 5%.

On time 78.0%
Arrived 15+ minutes late 21.3%
Cancelled 0.0%
Diverted 0.7%

Every scheduled departure from ACV in April 2025, judged by arrival at the destination.

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

Measure	Apr 2025	Apr 2024	ACV, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	83.3%	78.3%	76.0%	80.6%
Arrived on time	78.0%	74.2%	67.1%	79.5%
Cancelled	0.0%	0.0%	2.4%	0.8%
Average departure delay (late minutes only)	33.6 min	19.7 min	23.8 min	14.1 min
Scheduled departures a day	5	4	6	19,465
Scheduled departures	150	120	2,200	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	150	100%	78.0%	28.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ACV–SFO	Arcata/Eureka to San Francisco	90	73.3%	36.3 min	0.0%
ACV–DEN	Arcata/Eureka to Denver	30	76.7%	35.9 min	0.0%
ACV–LAX	Arcata/Eureka to Los Angeles	30	93.3%	-3.6 min	0.0%

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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	70.6%	32.7%	3,544
Late-arriving aircraft	20.5%	39.4%	1,029
National Aviation System	4.1%	22.2%	207
Extreme weather	4.7%	5.5%	238
Security	0.0%	0.2%	0

5,018 delay minutes on 32 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 ACV on time in April 2025?

83.3% of 150 scheduled domestic departures left less than 15 minutes late, and 78.0% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 78.3% of 120 departures left on time and 0.0% were cancelled, against 83.3% and 0.0% in April 2025.

Provenance

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