Charles M. Schulz - Sonoma County in November 2024

73.0%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 November 2024, reporting carriers scheduled 396 domestic departures from Charles M. Schulz - Sonoma County (STS). 73.0% left less than 15 minutes late and 66.7% reached their destination on time; 1.0% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so STS departures were 12.2 points below the national departure figure.

A year earlier, in November 2023, the airport had 306 departures with 85.6% leaving on time: a change of −12.6 points, with flights up 29%.

Flights arriving at STS that month were on time 67.4% of the time (396 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 30% and national aviation system 20%.

On time 66.7%
Arrived 15+ minutes late 32.3%
Cancelled 1.0%
Diverted 0.0%

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

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

Measure	Nov 2024	Nov 2023	STS, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	73.0%	85.6%	80.4%	85.2%
Arrived on time	66.7%	82.0%	78.8%	84.8%
Cancelled	1.0%	0.0%	1.7%	0.5%
Average departure delay (late minutes only)	17.9 min	10.1 min	13.2 min	10.2 min
Scheduled departures a day	13	10	16	19,180
Scheduled departures	396	306	5,714	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	317	80%	65.9%	13.9 min	1.3%
MQ Envoy Air	49	12%	73.5%	10.7 min	0.0%
AS Alaska Airlines	26	7%	73.1%	16.9 min	0.0%
AA American Airlines	4	1%	0.0%	135.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STS–LAX	Santa Rosa to Los Angeles	79	68.4%	15.7 min	0.0%
STS–SAN	Santa Rosa to San Diego	79	45.6%	22.9 min	2.5%
STS–SNA	Santa Rosa to Santa Ana	59	83.1%	2.3 min	1.7%
STS–PHX	Santa Rosa to Phoenix	54	77.8%	10.1 min	0.0%
STS–SEA	Santa Rosa to Seattle	35	74.3%	18.2 min	0.0%
STS–BUR	Santa Rosa to Burbank	29	69.0%	12.1 min	0.0%
STS–DFW	Santa Rosa to Dallas/Fort Worth	27	59.3%	22.9 min	0.0%
STS–PDX	Santa Rosa to Portland	26	69.2%	10.5 min	3.8%
STS–LAS	Santa Rosa to Las Vegas	8	37.5%	36.6 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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	30.2%	36.9%	2,155
Late-arriving aircraft	40.5%	35.6%	2,891
National Aviation System	19.8%	21.9%	1,416
Extreme weather	9.6%	5.4%	685
Security	0.0%	0.2%	0

7,147 delay minutes on 128 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 November 2024?

73.0% of 396 scheduled domestic departures left less than 15 minutes late, and 66.7% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 85.6% of 306 departures left on time and 0.0% were cancelled, against 73.0% and 1.0% in November 2024.

Provenance

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