Ketchikan International in August 2025

66.9%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 August 2025, reporting carriers scheduled 236 domestic departures from Ketchikan International (KTN). 66.9% left less than 15 minutes late and 68.2% reached their destination on time; 1.3% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so KTN departures were 9.9 points below the national departure figure.

A year earlier, in August 2024, the airport had 275 departures with 74.2% leaving on time: a change of −7.3 points, with flights down 14%.

Flights arriving at KTN that month were on time 77.1% of the time (236 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 61%, air carrier 21% and national aviation system 9%.

On time 68.2%
Arrived 15+ minutes late 30.5%
Cancelled 1.3%
Diverted 0.0%

Every scheduled departure from KTN in August 2025, judged by arrival at the destination.

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

Measure	Aug 2025	Aug 2024	KTN, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	66.9%	74.2%	79.3%	76.8%
Arrived on time	68.2%	72.0%	79.3%	76.3%
Cancelled	1.3%	0.7%	2.9%	1.1%
Average departure delay (late minutes only)	17.5 min	18.3 min	13.4 min	17.6 min
Scheduled departures a day	8	9	7	20,079
Scheduled departures	236	275	2,392	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	236	100%	68.2%	10.5 min	1.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
KTN–SEA	Ketchikan to Seattle	143	69.9%	11.2 min	0.7%
KTN–JNU	Ketchikan to Juneau	31	83.9%	-1.6 min	0.0%
KTN–SIT	Ketchikan to Sitka	31	51.6%	10.8 min	3.2%
KTN–WRG	Ketchikan to Wrangell	31	61.3%	19.2 min	3.2%

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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	20.6%	33.1%	714
Late-arriving aircraft	60.9%	40.5%	2,112
National Aviation System	8.5%	19.2%	296
Extreme weather	6.9%	7.0%	241
Security	3.1%	0.1%	106

3,469 delay minutes on 72 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 KTN on time in August 2025?

66.9% of 236 scheduled domestic departures left less than 15 minutes late, and 68.2% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 74.2% of 275 departures left on time and 0.7% were cancelled, against 66.9% and 1.3% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for KTN · methodology · corrections.