Sitka Rocky Gutierrez in July 2025

78.1%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 July 2025, reporting carriers scheduled 155 domestic departures from Sitka Rocky Gutierrez (SIT). 78.1% left less than 15 minutes late and 76.8% reached their destination on time; 1.3% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so SIT departures were 8.4 points above the national departure figure.

A year earlier, in July 2024, the airport had 186 departures with 85.5% leaving on time: a change of −7.4 points, with flights down 17%.

Flights arriving at SIT that month were on time 67.1% of the time (155 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 52%, air carrier 26% and national aviation system 12%.

On time 76.8%
Arrived 15+ minutes late 21.9%
Cancelled 1.3%
Diverted 0.0%

Every scheduled departure from SIT in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	SIT, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	78.1%	85.5%	81.6%	69.7%
Arrived on time	76.8%	80.1%	79.8%	69.0%
Cancelled	1.3%	0.5%	2.6%	2.5%
Average departure delay (late minutes only)	11.2 min	16.1 min	11.3 min	24.3 min
Scheduled departures a day	5	6	4	21,048
Scheduled departures	155	186	1,333	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	155	100%	76.8%	3.2 min	1.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SIT–JNU	Sitka to Juneau	62	85.5%	-3.0 min	1.6%
SIT–SEA	Sitka to Seattle	62	59.7%	16.3 min	1.6%
SIT–KTN	Sitka to Ketchikan	31	93.5%	-10.5 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	26.0%	31.1%	401
Late-arriving aircraft	51.9%	40.8%	801
National Aviation System	12.1%	20.7%	187
Extreme weather	0.0%	7.3%	0
Security	10.0%	0.1%	155

1,544 delay minutes on 34 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 July 2025?

78.1% of 155 scheduled domestic departures left less than 15 minutes late, and 76.8% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 85.5% of 186 departures left on time and 0.5% were cancelled, against 78.1% and 1.3% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; 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.