Juneau International in May 2025

87.2%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 391 domestic departures from Juneau International (JNU). 87.2% left less than 15 minutes late and 84.1% 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 JNU departures were 10.5 points above the national departure figure.

A year earlier, in May 2024, the airport had 398 departures with 86.9% leaving on time: a change of +0.3 points, with flights down 2%.

Flights arriving at JNU that month were on time 81.6% of the time (392 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 34% and national aviation system 17%.

On time 84.1%
Arrived 15+ minutes late 14.6%
Cancelled 1.0%
Diverted 0.3%

Every scheduled departure from JNU 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	JNU, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	87.2%	86.9%	83.0%	76.7%
Arrived on time	84.1%	86.7%	80.4%	75.4%
Cancelled	1.0%	2.0%	2.1%	1.0%
Average departure delay (late minutes only)	7.6 min	7.3 min	11.7 min	17.5 min
Scheduled departures a day	13	13	13	20,188
Scheduled departures	391	398	4,716	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	391	100%	84.1%	0.2 min	1.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JNU–SEA	Juneau to Seattle	126	73.8%	10.2 min	2.4%
JNU–ANC	Juneau to Anchorage	110	89.1%	-4.9 min	0.0%
JNU–SIT	Juneau to Sitka	62	88.7%	-9.7 min	0.0%
JNU–KTN	Juneau to Ketchikan	31	93.5%	-3.6 min	3.2%
JNU–PSG	Juneau to Petersburg	31	77.4%	8.4 min	0.0%
JNU–YAK	Juneau to Yakutat	31	96.8%	-6.1 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	34.4%	29.3%	1,036
Late-arriving aircraft	49.1%	37.8%	1,480
National Aviation System	16.5%	25.9%	498
Extreme weather	0.0%	6.9%	0
Security	0.0%	0.1%	0

3,014 delay minutes on 57 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 JNU on time in May 2025?

87.2% of 391 scheduled domestic departures left less than 15 minutes late, and 84.1% 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, 86.9% of 398 departures left on time and 2.0% were cancelled, against 87.2% 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 JNU · methodology · corrections.