Juneau International in December 2024

82.9%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 December 2024, reporting carriers scheduled 334 domestic departures from Juneau International (JNU). 82.9% left less than 15 minutes late and 78.7% reached their destination on time; 2.1% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so JNU departures were 5.1 points above the national departure figure.

A year earlier, in December 2023, the airport had 334 departures with 82.6% leaving on time: a change of +0.3 points, with flights up 0%.

Flights arriving at JNU that month were on time 79.9% of the time (334 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 31%, air carrier 27% and national aviation system 24%.

On time 78.7%
Arrived 15+ minutes late 18.6%
Cancelled 2.1%
Diverted 0.6%

Every scheduled departure from JNU in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	JNU, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	82.9%	82.6%	83.0%	77.8%
Arrived on time	78.7%	79.6%	80.4%	78.1%
Cancelled	2.1%	3.6%	2.1%	0.7%
Average departure delay (late minutes only)	13.0 min	9.0 min	11.7 min	16.6 min
Scheduled departures a day	11	11	13	19,686
Scheduled departures	334	334	4,716	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	334	100%	78.7%	4.8 min	2.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JNU–SEA	Juneau to Seattle	92	76.1%	9.4 min	3.3%
JNU–ANC	Juneau to Anchorage	91	82.4%	-2.9 min	4.4%
JNU–SIT	Juneau to Sitka	61	77.0%	9.2 min	0.0%
JNU–KTN	Juneau to Ketchikan	30	86.7%	6.5 min	0.0%
JNU–PSG	Juneau to Petersburg	30	76.7%	0.4 min	0.0%
JNU–YAK	Juneau to Yakutat	30	73.3%	6.9 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	26.8%	34.3%	1,324
Late-arriving aircraft	30.9%	40.2%	1,527
National Aviation System	24.0%	17.8%	1,186
Extreme weather	18.4%	7.5%	908
Security	0.0%	0.2%	0

4,945 delay minutes on 62 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 December 2024?

82.9% of 334 scheduled domestic departures left less than 15 minutes late, and 78.7% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 82.6% of 334 departures left on time and 3.6% were cancelled, against 82.9% and 2.1% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; 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.