Sitka Rocky Gutierrez in September 2024

87.5%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 September 2024, reporting carriers scheduled 128 domestic departures from Sitka Rocky Gutierrez (SIT). 87.5% left less than 15 minutes late and 85.2% reached their destination on time; 0.8% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so SIT departures were 3.1 points above the national departure figure.

A year earlier, in September 2023, the airport had 130 departures with 84.6% leaving on time: a change of +2.9 points, with flights down 2%.

Flights arriving at SIT that month were on time 82.7% of the time (127 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 65%, air carrier 20% and national aviation system 13%.

On time 85.2%
Arrived 15+ minutes late 13.3%
Cancelled 0.8%
Diverted 0.8%

Every scheduled departure from SIT in September 2024, judged by arrival at the destination.

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

Measure	Sep 2024	Sep 2023	SIT, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	87.5%	84.6%	81.6%	84.4%
Arrived on time	85.2%	84.6%	79.8%	83.9%
Cancelled	0.8%	0.0%	2.6%	0.6%
Average departure delay (late minutes only)	6.4 min	9.3 min	11.3 min	10.6 min
Scheduled departures a day	4	4	4	19,421
Scheduled departures	128	130	1,333	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	120	94%	85.0%	-2.5 min	0.8%
OO SkyWest Airlines	8	6%	87.5%	-7.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SIT–JNU	Sitka to Juneau	60	90.0%	-7.0 min	1.7%
SIT–SEA	Sitka to Seattle	38	71.1%	8.3 min	0.0%
SIT–KTN	Sitka to Ketchikan	30	93.3%	-8.5 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	19.9%	38.6%	152
Late-arriving aircraft	65.1%	38.4%	496
National Aviation System	12.5%	18.2%	95
Extreme weather	2.2%	4.8%	17
Security	0.3%	0.1%	2

762 delay minutes on 17 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 SIT on time in September 2024?

87.5% of 128 scheduled domestic departures left less than 15 minutes late, and 85.2% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 84.6% of 130 departures left on time and 0.0% were cancelled, against 87.5% and 0.8% in September 2024.

Provenance

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