FlightRecord

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

Data through July 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
10 min
Arrivals on-time
82%
Cancelled
1.8%
Destinations
7
nonstop
Airlines
2

Plan your departure from JNU

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 5 a.m.
95% on-time
Best day to fly
Friday
85% on-time
Most reliable airline here
Delta Air Lines
94% on-time from JNU
Cancellation risk
1.8%
close to the US average
Check routes from JNU ↓Compare nearby airports ↓

Monthly on-time trend

Monthly departure on-time percentage at JNU50%75%100%August 2024: 82% on-time (519 flights)82Aug 2024September 2024: 90% on-time (438 flights)90October 2024: 90% on-time (372 flights)90November 2024: 91% on-time (326 flights)91Nov 2024December 2024: 85% on-time (334 flights)85January 2025: 86% on-time (334 flights)86February 2025: 92% on-time (308 flights)92Feb 2025March 2025: 90% on-time (341 flights)90April 2025: 92% on-time (330 flights)92May 2025: 88% on-time (391 flights)88May 2025June 2025: 85% on-time (484 flights)85July 2025: 85% on-time (526 flights)85August 2025: 83% on-time (515 flights)83Aug 2025September 2025: 87% on-time (450 flights)87October 2025: 90% on-time (376 flights)90November 2025: 88% on-time (321 flights)88Nov 2025December 2025: 70% on-time (327 flights)70January 2026: 74% on-time (333 flights)74February 2026: 83% on-time (308 flights)83Feb 2026March 2026: 78% on-time (341 flights)78April 2026: 91% on-time (330 flights)91May 2026: 89% on-time (397 flights)89May 2026June 2026: 89% on-time (493 flights)89July 2026: 89% on-time (525 flights)89

Best time of day to depart from JNU

On-time percentage by scheduled departure hour at JNU5 a.m.: 95% on-time (408 flights)57 a.m.: 91% on-time (2,319 flights)78 a.m.: 84% on-time (226 flights)89 a.m.: 87% on-time (1,353 flights)910 a.m.: 82% on-time (160 flights)1012 p.m.: 75% on-time (250 flights)121 p.m.: 82% on-time (1,631 flights)132 p.m.: 76% on-time (485 flights)144 p.m.: 86% on-time (263 flights)165 p.m.: 88% on-time (175 flights)176 p.m.: 87% on-time (767 flights)188 p.m.: 84% on-time (814 flights)209 p.m.: 91% on-time (172 flights)2110 p.m.: 86% on-time (635 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday81%13 min
Tuesday83%11 min
Wednesday83%11 min
Thursday83%10 min
Fridaybest85%9 min
Saturday84%11 min
Sunday84%12 min

Next: compare the busiest routes from JNU ↓

Busiest routes from JNU

RouteFlights/12moOn-timeAvg delay
JNU → SEA (Seattle)1,59081%12 min
JNU → ANC (Anchorage)1,23086%11 min
JNU → SIT (Sitka)72585%9 min
JNU → PSG (Petersburg)36280%12 min
JNU → KTN (Ketchikan)36187%9 min
JNU → YAK (Yakutat)36182%10 min

Compare airlines departing JNU ↓

Where flights into JNU come from

RouteFlights/12moOn-timeAvg delay
SEA (Seattle) → JNU1,58874%13 min
ANC (Anchorage) → JNU1,23087%8 min
SIT (Sitka) → JNU72585%10 min
PSG (Petersburg) → JNU36289%8 min
YAK (Yakutat) → JNU36287%7 min
KTN (Ketchikan) → JNU36287%9 min

Most reliable routes

  1. JNU → KTN87%
  2. JNU → ANC86%
  3. JNU → SIT85%
  4. JNU → YAK82%
  5. JNU → SEA81%

Most delay-prone routes

  1. JNU → PSG80%
  2. JNU → SEA81%
  3. JNU → YAK82%
  4. JNU → SIT85%
  5. JNU → ANC86%

What causes delays at JNU

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing JNU.

  • Late-arriving aircraft46%
  • Airline operations30%
  • National airspace system15%
  • Weather8%

Alternative airports near Juneau

Other airports within 120 miles, compared on departure reliability.

AirportDistanceOn-time departuresAvg delay
SIT — Sitka Rocky Gutierrez Airport95 mi85%11 min

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at JNU

AirlineOn-time departuresAvg delayFlights
Delta Air Lines94%9 min322
Alaska Airlines86%10 min9,624

Frequently asked questions

How often are flights delayed at JNU?
14% of departures from Juneau International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 10 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 95% of the time at JNU, versus 75% around 12 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

Related guides

Based on 9,946 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.