Charles M. Schulz - Sonoma County in October 2024

80.5%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 October 2024, reporting carriers scheduled 348 domestic departures from Charles M. Schulz - Sonoma County (STS). 80.5% left less than 15 minutes late and 77.0% reached their destination on time; 0.6% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so STS departures were 5.0 points below the national departure figure.

A year earlier, in October 2023, the airport had 332 departures with 86.1% leaving on time: a change of −5.6 points, with flights up 5%.

Flights arriving at STS that month were on time 76.4% of the time (347 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 68%, air carrier 21% and national aviation system 10%.

On time 77.0%
Arrived 15+ minutes late 22.4%
Cancelled 0.6%
Diverted 0.0%

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

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

Measure	Oct 2024	Oct 2023	STS, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	80.5%	86.1%	80.4%	85.5%
Arrived on time	77.0%	81.6%	78.8%	85.8%
Cancelled	0.6%	0.0%	1.7%	1.0%
Average departure delay (late minutes only)	15.7 min	12.3 min	13.2 min	9.4 min
Scheduled departures a day	12	11	16	20,517
Scheduled departures	348	332	5,714	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	283	81%	76.7%	7.6 min	0.7%
AA American Airlines	31	9%	64.5%	71.3 min	0.0%
AS Alaska Airlines	28	8%	92.9%	0.3 min	0.0%
MQ Envoy Air	6	2%	83.3%	5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STS–SAN	Santa Rosa to San Diego	79	68.4%	17.7 min	2.5%
STS–SNA	Santa Rosa to Santa Ana	62	74.2%	6.8 min	0.0%
STS–LAX	Santa Rosa to Los Angeles	57	86.0%	-0.1 min	0.0%
STS–BUR	Santa Rosa to Burbank	31	77.4%	8.2 min	0.0%
STS–DFW	Santa Rosa to Dallas/Fort Worth	31	64.5%	71.3 min	0.0%
STS–PHX	Santa Rosa to Phoenix	31	80.6%	8.5 min	0.0%
STS–PDX	Santa Rosa to Portland	29	82.8%	-4.1 min	0.0%
STS–SEA	Santa Rosa to Seattle	28	92.9%	0.3 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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	20.7%	42.7%	1,174
Late-arriving aircraft	68.3%	37.4%	3,873
National Aviation System	10.3%	16.3%	582
Extreme weather	0.7%	3.4%	41
Security	0.0%	0.2%	0

5,670 delay minutes on 78 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 October 2024?

80.5% of 348 scheduled domestic departures left less than 15 minutes late, and 77.0% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 86.1% of 332 departures left on time and 0.0% were cancelled, against 80.5% and 0.6% in October 2024.

Provenance

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