Route · HNL → SEA · 2020–2025 BTS data
Honolulu to Seattle
The HNL–SEA corridor (Honolulu, HI → Seattle, WA) runs ahead of the national average, served by 7 carriers across roughly 2,677 miles.
Data updated 2026-06-13
- 79.9%
- On-time
- +0.9 pts
- vs US avg
- 66 min
- Delay when late
- 14,557
- Flights
Cancelled
1.3%
Best Month
Sep 2024 88%
Worst Month
Jul 2025 70%
Distance
2,677 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 255 | 74 | 1 | 1 | DL,AS,HA |
| Nov 2025 | 236 | 60 | 2 | 0 | HA,AS,DL |
| Oct 2025 | 247 | 57 | 5 | 1 | AS,DL,HA |
| Sep 2025 | 240 | 55 | 0 | 0 | DL,AS,HA |
| Aug 2025 | 248 | 62 | 1 | 0 | HA,AS,DL |
| Jul 2025 | 248 | 74 | 6 | 0 | AS,DL,HA |
| Jun 2025 | 241 | 67 | 0 | 0 | AS,DL,HA |
| May 2025 | 249 | 48 | 4 | 0 | AS,DL,HA |
| Apr 2025 | 240 | 61 | 1 | 0 | HA,AS,DL |
| Mar 2025 | 271 | 53 | 1 | 1 | AS,DL,HA |
| Feb 2025 | 244 | 52 | 2 | 1 | AS,DL,HA |
| Jan 2025 | 277 | 61 | 7 | 0 | AS,DL,HA |
| Dec 2024 | 275 | 42 | 5 | 0 | AS,DL,HA |
| Nov 2024 | 243 | 35 | 3 | 1 | HA,AS,DL |
| Oct 2024 | 249 | 43 | 1 | 1 | AS,DL,HA |
| Sep 2024 | 240 | 29 | 0 | 0 | AS,DL,HA |
| Aug 2024 | 248 | 48 | 0 | 0 | AS,DL,HA |
| Jul 2024 | 248 | 42 | 2 | 0 | AS,DL,HA |
| Jun 2024 | 240 | 46 | 2 | 0 | AS,DL,HA |
| May 2024 | 240 | 60 | 1 | 0 | AS,DL,HA |
| Apr 2024 | 232 | 49 | 1 | 0 | AS,DL,HA |
| Mar 2024 | 244 | 47 | 2 | 0 | AS,DL,HA |
| Feb 2024 | 220 | 44 | 1 | 0 | AS,DL,HA |
| Jan 2024 | 233 | 49 | 28 | 0 | AS,DL,HA |
Cancellation Rate
1.3%
76 of 5,908 flights
Diversion Rate
0.1%
6 of 5,908 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
HNL - Honolulu
Full on-time, delay-cause, and seasonal performance for Honolulu, HI.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See HNL and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to HNL–SEA.
Routes with a similar on-time rate
What the Data Says About HNL to SEA
14,557 tracked flights put the HNL to SEA pairing (Honolulu to Seattle) at a 79.9% on-time rate, squarely in line with the wider network. Delays that do occur run 65.5 minutes on average. Across the 2,677-mile route and its 7 carriers, the trailing 24 months show 1.3% cancelled and 0.1% diverted (5,908 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 88% on-time, while Jul 2025 came in at just 70% - a 18-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.