Sitka Rocky Gutierrez in June 2025

78.7%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 2025, reporting carriers scheduled 150 domestic departures from Sitka Rocky Gutierrez (SIT). 78.7% left less than 15 minutes late and 77.3% reached their destination on time; 0.7% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so SIT departures were 7.3 points above the national departure figure.

A year earlier, in June 2024, the airport had 173 departures with 84.4% leaving on time: a change of −5.7 points, with flights down 13%.

Flights arriving at SIT that month were on time 74.0% of the time (150 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 74%, national aviation system 11% and air carrier 9%.

On time 77.3%
Arrived 15+ minutes late 22.0%
Cancelled 0.7%
Diverted 0.0%

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

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

Measure	Jun 2025	Jun 2024	SIT, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	78.7%	84.4%	81.6%	71.4%
Arrived on time	77.3%	80.9%	79.8%	70.3%
Cancelled	0.7%	1.7%	2.6%	1.6%
Average departure delay (late minutes only)	9.6 min	16.6 min	11.3 min	22.1 min
Scheduled departures a day	5	6	4	20,386
Scheduled departures	150	173	1,333	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	150	100%	77.3%	0.9 min	0.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SIT–JNU	Sitka to Juneau	60	83.3%	-0.7 min	0.0%
SIT–SEA	Sitka to Seattle	60	60.0%	9.5 min	1.7%
SIT–KTN	Sitka to Ketchikan	30	100.0%	-12.6 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	9.4%	31.6%	121
Late-arriving aircraft	73.7%	40.6%	952
National Aviation System	10.5%	20.9%	136
Extreme weather	0.0%	6.9%	0
Security	6.4%	0.2%	82

1,291 delay minutes on 33 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 June 2025?

78.7% of 150 scheduled domestic departures left less than 15 minutes late, and 77.3% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 84.4% of 173 departures left on time and 1.7% were cancelled, against 78.7% and 0.7% in June 2025.

Provenance

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