Sitka Rocky Gutierrez in May 2026

91.6%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 May 2026, reporting carriers scheduled 131 domestic departures from Sitka Rocky Gutierrez (SIT). 91.6% left less than 15 minutes late and 90.8% reached their destination on time; 0.8% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so SIT departures were 14.5 points above the national departure figure.

A year earlier, in May 2025, the airport had 127 departures with 84.3% leaving on time: a change of +7.3 points, with flights up 3%.

Flights arriving at SIT that month were on time 84.1% of the time (132 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 95%, national aviation system 4% and air carrier 2%.

On time 90.8%
Arrived 15+ minutes late 6.1%
Cancelled 0.8%
Diverted 2.3%

Every scheduled departure from SIT in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	SIT, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	91.6%	84.3%	81.6%	77.1%
Arrived on time	90.8%	83.5%	79.8%	77.6%
Cancelled	0.8%	0.8%	2.6%	0.9%
Average departure delay (late minutes only)	5.3 min	7.1 min	11.3 min	16.0 min
Scheduled departures a day	4	4	4	20,391
Scheduled departures	131	127	1,333	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	131	100%	90.8%	-11.4 min	0.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SIT–JNU	Sitka to Juneau	62	90.3%	-9.0 min	1.6%
SIT–SEA	Sitka to Seattle	38	89.5%	-10.8 min	0.0%
SIT–KTN	Sitka to Ketchikan	31	93.5%	-16.7 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	1.7%	33.0%	8
Late-arriving aircraft	94.8%	40.4%	459
National Aviation System	3.5%	20.5%	17
Extreme weather	0.0%	6.0%	0
Security	0.0%	0.1%	0

484 delay minutes on 8 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 May 2026?

91.6% of 131 scheduled domestic departures left less than 15 minutes late, and 90.8% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 84.3% of 127 departures left on time and 0.8% were cancelled, against 91.6% and 0.8% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.