Charles M. Schulz - Sonoma County in June 2024

76.3%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 June 2024, reporting carriers scheduled 287 domestic departures from Charles M. Schulz - Sonoma County (STS). 76.3% left less than 15 minutes late and 71.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so STS departures were 2.6 points above the national departure figure.

Flights arriving at STS that month were on time 76.5% of the time (289 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 39% and national aviation system 14%.

On time 71.8%
Arrived 15+ minutes late 27.5%
Cancelled 0.0%
Diverted 0.7%

Every scheduled departure from STS in June 2024, judged by arrival at the destination.

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

Measure	Jun 2024	Year earlier	STS, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	76.3%	—	80.4%	73.7%
Arrived on time	71.8%	—	78.8%	73.9%
Cancelled	0.0%	—	1.7%	1.3%
Average departure delay (late minutes only)	23.2 min	—	13.2 min	19.7 min
Scheduled departures a day	10	—	16	20,371
Scheduled departures	287	—	5,714	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	216	75%	75.5%	9.8 min	0.0%
AA American Airlines	30	10%	56.7%	106.2 min	0.0%
AS Alaska Airlines	29	10%	51.7%	30.6 min	0.0%
MQ Envoy Air	12	4%	91.7%	-0.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STS–LAX	Santa Rosa to Los Angeles	58	82.8%	7.3 min	0.0%
STS–SNA	Santa Rosa to Santa Ana	52	78.8%	8.0 min	0.0%
STS–SAN	Santa Rosa to San Diego	48	75.0%	10.1 min	0.0%
STS–SEA	Santa Rosa to Seattle	47	66.0%	17.0 min	0.0%
STS–DFW	Santa Rosa to Dallas/Fort Worth	30	56.7%	106.2 min	0.0%
STS–PHX	Santa Rosa to Phoenix	30	80.0%	5.1 min	0.0%
STS–BUR	Santa Rosa to Burbank	22	40.9%	32.3 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	45.2%	34.4%	2,887
Late-arriving aircraft	39.2%	41.5%	2,508
National Aviation System	13.6%	17.8%	869
Extreme weather	2.0%	6.0%	127
Security	0.0%	0.2%	0

6,391 delay minutes on 79 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 STS on time in June 2024?

76.3% of 287 scheduled domestic departures left less than 15 minutes late, and 71.8% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for STS · methodology · corrections.