FlightRecord

Juneau International Airport (JNU): Delays & On-Time Performance

Data through May 2026

Juneau International Airport (JNU) is a tale of two seasons: departures ran 92% on-time in February 2025 but sank to 70% in December 2025. Across the year it averages 86% against a national 78%, over roughly 13 departures a day to 7 destinations.

Departures on-time
86%
left <15 min late
Avg dep delay
11 min
Arrivals on-time
82%
Cancelled
1.8%
Destinations
7
nonstop
Airlines
2

Monthly on-time trend

Monthly departure on-time percentage at JNU50%75%100%June 2024: 87% on-time (485 flights)87Jun 2024July 2024: 80% on-time (527 flights)80August 2024: 82% on-time (519 flights)82September 2024: 90% on-time (438 flights)90Sep 2024October 2024: 90% on-time (372 flights)90November 2024: 91% on-time (326 flights)91December 2024: 85% on-time (334 flights)85Dec 2024January 2025: 86% on-time (334 flights)86February 2025: 92% on-time (308 flights)92March 2025: 90% on-time (341 flights)90Mar 2025April 2025: 92% on-time (330 flights)92May 2025: 88% on-time (391 flights)88June 2025: 85% on-time (484 flights)85Jun 2025July 2025: 85% on-time (526 flights)85August 2025: 83% on-time (515 flights)83September 2025: 87% on-time (450 flights)87Sep 2025October 2025: 90% on-time (376 flights)90November 2025: 88% on-time (321 flights)88December 2025: 70% on-time (327 flights)70Dec 2025January 2026: 74% on-time (333 flights)74February 2026: 83% on-time (308 flights)83March 2026: 78% on-time (341 flights)78Mar 2026April 2026: 91% on-time (330 flights)91May 2026: 89% on-time (397 flights)89

Best time of day to depart from JNU

On-time percentage by scheduled departure hour at JNU5 a.m.: 94% on-time (377 flights)57 a.m.: 91% on-time (2,165 flights)78 a.m.: 84% on-time (256 flights)89 a.m.: 86% on-time (1,249 flights)910 a.m.: 84% on-time (202 flights)1012 p.m.: 78% on-time (180 flights)121 p.m.: 81% on-time (1,547 flights)132 p.m.: 76% on-time (485 flights)144 p.m.: 89% on-time (239 flights)165 p.m.: 88% on-time (197 flights)176 p.m.: 86% on-time (693 flights)188 p.m.: 84% on-time (814 flights)209 p.m.: 89% on-time (150 flights)2110 p.m.: 85% on-time (574 flights)22scheduled departure hour

Busiest routes from JNU

RouteFlights/12moOn-timeAvg delay
JNU → SEA1,58381%13 min
JNU → ANC1,23086%12 min
JNU → SIT72585%9 min
JNU → PSG36279%12 min
JNU → KTN36187%10 min
JNU → YAK36181%10 min

Most reliable routes

  1. JNU → KTN87%
  2. JNU → ANC86%
  3. JNU → SIT85%
  4. JNU → YAK81%
  5. JNU → SEA81%

Most delay-prone routes

  1. JNU → PSG79%
  2. JNU → SEA81%
  3. JNU → YAK81%
  4. JNU → SIT85%
  5. JNU → ANC86%

Airline performance at JNU

AirlineOn-time departuresAvg delayFlights
Delta Air Lines93%13 min291
Alaska Airlines85%11 min9,122

Frequently asked questions

How often are flights delayed at JNU?
14% of departures from Juneau International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 11 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from JNU?
Flights scheduled around 5 a.m. depart on time 94% of the time at JNU, versus 76% around 2 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at JNU?
In this dataset, December 2025 was the weakest month at JNU, with 70% of departures on time.
How often are flights cancelled at JNU?
1.8% of scheduled departures from JNU were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 9,413 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.