Juneau International in June 2026

87.8%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 2026, reporting carriers scheduled 493 domestic departures from Juneau International (JNU). 87.8% left less than 15 minutes late and 88.2% reached their destination on time; 1.4% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so JNU departures were 15.6 points above the national departure figure.

A year earlier, in June 2025, the airport had 484 departures with 84.3% leaving on time: a change of +3.5 points, with flights up 2%.

Flights arriving at JNU that month were on time 84.0% of the time (494 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 56%, air carrier 34% and national aviation system 10%.

On time 88.2%
Arrived 15+ minutes late 10.3%
Cancelled 1.4%
Diverted 0.0%

Every scheduled departure from JNU in June 2026, judged by arrival at the destination.

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

Measure	Jun 2026	Jun 2025	JNU, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	87.8%	84.3%	83.0%	72.2%
Arrived on time	88.2%	81.8%	80.4%	72.8%
Cancelled	1.4%	1.2%	2.1%	1.6%
Average departure delay (late minutes only)	7.7 min	8.3 min	11.7 min	20.6 min
Scheduled departures a day	16	16	13	20,253
Scheduled departures	493	484	4,716	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	470	95%	87.7%	-3.8 min	1.5%
DL Delta Air Lines	23	5%	100.0%	-17.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JNU–SEA	Juneau to Seattle	198	85.4%	-0.4 min	1.0%
JNU–ANC	Juneau to Anchorage	120	89.2%	-6.6 min	2.5%
JNU–SIT	Juneau to Sitka	60	88.3%	-8.9 min	1.7%
JNU–KTN	Juneau to Ketchikan	30	100.0%	-19.5 min	0.0%
JNU–PSG	Juneau to Petersburg	30	86.7%	1.3 min	0.0%
JNU–YAK	Juneau to Yakutat	30	93.3%	-6.3 min	0.0%
JNU–GST	Juneau to Gustavus	25	88.0%	-1.4 min	4.0%

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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	33.8%	30.8%	1,058
Late-arriving aircraft	55.9%	42.1%	1,749
National Aviation System	10.3%	20.3%	323
Extreme weather	0.0%	6.7%	0
Security	0.0%	0.1%	0

3,130 delay minutes on 51 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 June 2026?

87.8% of 493 scheduled domestic departures left less than 15 minutes late, and 88.2% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 84.3% of 484 departures left on time and 1.2% were cancelled, against 87.8% and 1.4% in June 2026.

Provenance

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