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Airport · JNU · Juneau, Alaska

Juneau, AK

Juneau, AK posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 52,533 flights (2020–2025); its biggest delay driver is late aircraft.

Data updated 2026-06-13

85.3%
On-time
Top 30%
on-time, US airports
63 min
Delay when late
1.06%
Cancelled

Key Performance Metrics

Total Flights

52,533

Best Month

May 95.3%

Worst Month

Dec 89.9%

Delayed

7,738

Cancelled

558

JNU on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%85.3%

Where JNU sits among all 382 tracked airports

JNU's 85.3% on-time rate falls in the 85-90% band, the 116-airport band it shares.

National on-time-rate distribution

airports

What this shows JNU is marked in the 85-90% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 239,168.

Late Aircraft 46.3% (110,635 min)
Carrier 29.8% (71,276 min)
NAS (National Aviation System) 17.2% (41,042 min)
Weather 6.5% (15,659 min)
Security 0.2% (556 min)

JNU - seasonal on-time pattern

Best: May (95.3%) · worst: December (89.9%)

88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 89.9%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: May (95.3% on-time). Most delays: December (89.9% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 638 135 14 89.9%
November 617 87 8 93.7%
October 697 75 10 94.7%
September 806 99 5 94.7%
August 939 151 5 92.9%
July 948 147 5 93.5%
June 883 129 5 93.9%
May 706 83 3 95.3%
April 614 76 10 94.7%
March 659 98 7 93.3%
February 603 89 6 93.8%
January 647 120 15 91.1%

Year-Over-Year Performance

Annual flight volume and on-time trends at JNU.

JNU - on-time rate by year

2020–2025, year-over-year trend.

92%93%94%95% 202020212022202320242025 94.8% 93.2% ▼ -1.7%
Year Flights Delayed Cancelled On-Time %
2025 9,406 636 89 93.2%
2024 9,476 660 86 93%
2023 9,414 545 96 94.2%
2022 9,555 667 135 93%
2021 7,966 557 83 93%
2020 6,716 349 69 94.8%

Cancellation & Diversion Analysis

Flight disruption statistics for Juneau, AK.

Cancellation Rate

1.06%

558 of 52,533 flights

Diversion Rate

0.31%

163 of 52,533 flights

Delay Rate

14.7%

7,738 of 52,533 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 655 92 79 19 14
Nov 2025 642 39 40 5 0
Oct 2025 750 36 44 9 3
Sep 2025 900 56 61 8 2
Aug 2025 1,029 88 101 9 1
Jul 2025 1,052 79 128 9 1
Jun 2025 970 70 112 6 2
May 2025 783 46 69 4 1
Apr 2025 660 27 47 2 1
Mar 2025 682 32 42 8 1
Feb 2025 616 25 29 2 1
Jan 2025 667 46 53 8 7
Dec 2024 668 50 59 7 2
Nov 2024 652 28 39 5 0
Oct 2024 743 35 37 10 1
Sep 2024 876 43 67 6 1
Aug 2024 1,038 91 117 9 2
Jul 2024 1,054 108 152 6 0
Jun 2024 971 63 98 3 0
May 2024 796 44 83 8 0
Apr 2024 690 38 51 6 1
Mar 2024 682 37 53 4 2
Feb 2024 638 32 41 7 1
Jan 2024 668 91 86 15 4

Top Routes from JNU

Busiest routes to and from Juneau, AK.

What the Data Says About JNU

Juneau, AK in Juneau, Alaska handled 52,533 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 85.3% on-time departure rate. Of those flights, 7,738 experienced delays, 558 were cancelled, and 163 were diverted. The cancellation rate works out to 1.06%, the diversion rate to 0.31%, and the average delay when departures run late is 62.7 minutes. These figures are the baseline for comparing JNU against other airports in the same state and nationally.

Breaking down what drives delays at JNU, Late Aircraft leads the pack. Late Aircraft accounts for 46.3% of total delay minutes, followed by Carrier at 29.8% and NAS (National Aviation System) at 17.2%. Weather contributes 6.5% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, May runs the cleanest at JNU with a 95.3% on-time rate, while December is the roughest at 89.9% - a 5-point swing between best and worst month. Volume peaks in July, when average flights hit 948. The busiest route connecting JNU is to SEA (Seattle), with 8,737 flights at a 84% on-time rate. Combine these numbers - 85.3% on-time, 62.7-minute average delay, 1.06% cancellation rate, and you have a concrete picture of departure reliability at Juneau, AK.

Frequently Asked Questions

What is the on-time performance rate at Juneau, AK (JNU)?
Juneau, AK has an overall on-time departure rate of 85.3%. Out of 52,533 total flights tracked, 7,738 experienced delays and 558 were cancelled.
What is the most common cause of delays at JNU?
The top delay cause at Juneau, AK is Late Aircraft. Late Aircraft accounts for 46.3% of all delay minutes.
What is the average delay time at JNU?
The average delay at Juneau, AK is 62.7 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from JNU?
Based on historical data, May has the best on-time performance at JNU with 95.3% of flights departing on time.
What is the worst month for delays at JNU?
December tends to have the most delays at JNU, with an on-time rate of only 89.9%.
How many routes operate from JNU?
Juneau, AK serves at least 12 routes. The busiest route is JNU to SEA (Juneau - Seattle) with 8,737 flights.
What is the cancellation rate at JNU?
Juneau, AK has a cancellation rate of 1.06%, based on 558 cancelled flights out of 52,533 total flights tracked.

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using JNU's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.