PlainFlights

Route · SEA → HNL · 2020–2025 BTS data

Seattle to Honolulu

The SEA–HNL corridor (Seattle, WA → Honolulu, HI) runs behind the national average, served by 7 carriers across roughly 2,677 miles.

Data updated 2026-06-13

76.3%
On-time
-2.7 pts
vs US avg
67 min
Delay when late
14,550
Flights

Cancelled

1.2%

Best Month

Mar 2024 84%

Worst Month

Jul 2025 52%

Distance

2,677 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 256 98 4 3 DL,AS,HA
Nov 2025 234 80 2 5 HA,AS,DL
Oct 2025 248 55 3 0 AS,DL,HA
Sep 2025 240 61 1 0 DL,AS,HA
Aug 2025 248 104 1 0 HA,AS,DL
Jul 2025 248 120 6 0 AS,DL,HA
Jun 2025 240 96 1 0 AS,DL,HA
May 2025 248 72 0 0 AS,DL,HA
Apr 2025 239 48 0 0 HA,AS,DL
Mar 2025 269 81 1 1 AS,DL,HA
Feb 2025 244 86 1 0 AS,DL,HA
Jan 2025 278 60 5 4 AS,DL,HA
Dec 2024 276 81 4 1 AS,DL,HA
Nov 2024 242 42 2 0 HA,AS,DL
Oct 2024 249 77 0 0 AS,DL,HA
Sep 2024 240 47 0 0 AS,DL,HA
Aug 2024 248 49 0 0 AS,DL,HA
Jul 2024 248 58 2 0 AS,DL,HA
Jun 2024 241 73 2 2 AS,DL,HA
May 2024 239 45 1 0 AS,DL,HA
Apr 2024 231 46 0 0 AS,DL,HA
Mar 2024 245 39 1 1 AS,DL,HA
Feb 2024 220 42 0 1 AS,DL,HA
Jan 2024 233 81 32 36 AS,DL,HA

Cancellation Rate

1.2%

69 of 5,904 flights

Diversion Rate

0.9%

54 of 5,904 flights

What the Data Says About SEA to HNL

The Seattle to Honolulu corridor (SEA to HNL) posts a 76.3% on-time rate on the lower edge of the average band, based on 14,550 tracked flights. Late flights run 66.5 minutes behind on average. 7 carriers cover the 2,677-mile route; over the last 24 months, 69 of 5,904 flights were cancelled (1.2%) and 0.9% diverted.

The monthly split is wide on this route: Mar 2024 posted the strongest performance at 84% on-time, while Jul 2025 came in at just 52% - a 33-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SEA to HNL?
Flights from Seattle to Honolulu have a 76.3% on-time rate based on 14,550 flights. The average delay is 66.5 minutes. The best recent month was Mar 2024 with 84% on-time.
What is the cancellation rate for SEA to HNL?
Over the last 24 months, 1.2% of flights on this route were cancelled (69 of 5,904 flights) and 0.9% were diverted.
How far is the flight from SEA to HNL?
The flight distance from Seattle (SEA) to Honolulu (HNL) is approximately 2,677 miles. This route is served by 7 carriers.
When is the best time to fly from SEA to HNL?
The best recent month for on-time performance was Mar 2024 (84% on-time). The worst was Jul 2025 (52% on-time). Consider booking during months with historically better performance.

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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.

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

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.