Ketchikan International in May 2025

84.2%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 2025, reporting carriers scheduled 203 domestic departures from Ketchikan International (KTN). 84.2% left less than 15 minutes late and 79.8% reached their destination on time; 1.0% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so KTN departures were 7.5 points above the national departure figure.

A year earlier, in May 2024, the airport had 217 departures with 81.1% leaving on time: a change of +3.1 points, with flights down 6%.

Flights arriving at KTN that month were on time 72.9% of the time (203 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 82%, national aviation system 13% and air carrier 6%.

On time 79.8%
Arrived 15+ minutes late 18.7%
Cancelled 1.0%
Diverted 0.5%

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

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

Measure	May 2025	May 2024	KTN, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	84.2%	81.1%	79.3%	76.7%
Arrived on time	79.8%	82.0%	79.3%	75.4%
Cancelled	1.0%	2.3%	2.9%	1.0%
Average departure delay (late minutes only)	10.5 min	11.6 min	13.4 min	17.5 min
Scheduled departures a day	7	7	7	20,188
Scheduled departures	203	217	2,392	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	203	100%	79.8%	2.4 min	1.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
KTN–SEA	Ketchikan to Seattle	110	81.8%	0.0 min	1.8%
KTN–JNU	Ketchikan to Juneau	31	90.3%	-1.1 min	0.0%
KTN–SIT	Ketchikan to Sitka	31	64.5%	15.1 min	0.0%
KTN–WRG	Ketchikan to Wrangell	31	77.4%	1.7 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	5.6%	29.3%	102
Late-arriving aircraft	81.9%	37.8%	1,480
National Aviation System	12.5%	25.9%	226
Extreme weather	0.0%	6.9%	0
Security	0.0%	0.1%	0

1,808 delay minutes on 38 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 May 2025?

84.2% of 203 scheduled domestic departures left less than 15 minutes late, and 79.8% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 81.1% of 217 departures left on time and 2.3% were cancelled, against 84.2% and 1.0% in May 2025.

Provenance

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