Route · SEA → JNU · 2020–2025 BTS data
Seattle to Juneau
The SEA–JNU corridor (Seattle, WA → Juneau, AK) runs behind the national average, served by 3 carriers across roughly 909 miles.
Data updated 2026-06-13
- 78.7%
- On-time
- -0.3 pts
- vs US avg
- 51 min
- Delay when late
- 8,680
- Flights
Cancelled
1.2%
Best Month
Mar 2025 88%
Worst Month
Jul 2024 58%
Distance
909 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 30 | 4 | 0 | AS |
| Nov 2025 | 87 | 15 | 0 | 0 | AS |
| Oct 2025 | 123 | 22 | 3 | 0 | AS,DL |
| Sep 2025 | 180 | 23 | 3 | 0 | DL,AS |
| Aug 2025 | 204 | 54 | 1 | 0 | AS,DL |
| Jul 2025 | 217 | 84 | 4 | 0 | AS,DL |
| Jun 2025 | 192 | 71 | 1 | 0 | AS,DL |
| May 2025 | 127 | 42 | 1 | 0 | AS |
| Apr 2025 | 90 | 23 | 0 | 0 | AS |
| Mar 2025 | 93 | 11 | 0 | 3 | AS |
| Feb 2025 | 84 | 15 | 2 | 0 | AS |
| Jan 2025 | 92 | 24 | 3 | 0 | AS |
| Dec 2024 | 92 | 23 | 1 | 0 | AS |
| Nov 2024 | 92 | 17 | 3 | 1 | AS,DL |
| Oct 2024 | 123 | 21 | 3 | 1 | AS,DL |
| Sep 2024 | 168 | 39 | 2 | 0 | AS,DL |
| Aug 2024 | 211 | 70 | 1 | 0 | AS,DL |
| Jul 2024 | 217 | 91 | 2 | 1 | AS,DL |
| Jun 2024 | 192 | 62 | 0 | 1 | AS,DL |
| May 2024 | 140 | 52 | 2 | 0 | AS |
| Apr 2024 | 105 | 24 | 0 | 0 | AS |
| Mar 2024 | 93 | 25 | 1 | 1 | AS |
| Feb 2024 | 87 | 12 | 1 | 1 | AS |
| Jan 2024 | 92 | 29 | 1 | 1 | AS |
Cancellation Rate
1.2%
39 of 3,191 flights
Diversion Rate
0.3%
10 of 3,191 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →JNU - Juneau
Full on-time, delay-cause, and seasonal performance for Juneau, AK.
Destination airport →Compare the two airports
See SEA and JNU side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–JNU.
Routes with a similar on-time rate
What the Data Says About SEA to JNU
8,680 tracked flights put the SEA to JNU pairing (Seattle to Juneau) at a 78.7% on-time rate, squarely in line with the wider network. Delays that do occur run 51.4 minutes on average. Across the 909-mile route and its 3 carriers, the trailing 24 months show 1.2% cancelled and 0.3% diverted (3,191 flights sampled).
The monthly split is wide on this route: Mar 2025 posted the strongest performance at 88% on-time, while Jul 2024 came in at just 58% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SEA to JNU? ▼
What is the cancellation rate for SEA to JNU? ▼
How far is the flight from SEA to JNU? ▼
When is the best time to fly from SEA to JNU? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.