BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
HNL→SEA

Honolulu, HI (HNL) to Seattle, WA (SEA) flight delay odds

74.4% of 2,942 official scheduled HNL-to-SEA flights arrived on time; 13.6% arrived at least 30 minutes late and 0.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
74.4%arrived on time
13.6%30+ min late
0.9%cancelled
2,942scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.0%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.3 mincompleted flights

Which departure time was most reliable for HNL to SEA?

Among qualifying HNL-to-SEA departure window results, Night had the highest on-time rate: 80.7% of 1,052 flights. Late morning was lowest at 65.4% across 254 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning41580.5%9.4%1.4%
Late morning25465.4%19.3%0.0%
Afternoon1,21269.1%17.0%0.9%
Night1,05280.7%9.7%1.0%

Which weekday was most reliable for HNL to SEA?

Among qualifying HNL-to-SEA weekday results, Friday had the highest on-time rate: 75.8% of 422 flights. Thursday was lowest at 71.9% across 424 flights.

DayFlightsOn time30+ minCancelled
Monday39774.3%12.3%0.8%
Tuesday41874.9%12.2%0.7%
Wednesday42575.8%12.5%0.9%
Thursday42471.9%15.6%1.2%
Friday42275.8%13.0%0.9%
Saturday42773.3%15.2%1.4%
Sunday42975.1%14.2%0.5%

Which airline was most reliable for HNL to SEA?

Among qualifying HNL-to-SEA airline results, Delta Air Lines had the highest on-time rate: 88.3% of 789 flights. Hawaiian Airlines was lowest at 65.5% across 727 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines1,42671.3%15.4%0.8%
Delta Air Lines78988.3%5.4%1.4%
Hawaiian Airlines72765.5%18.8%0.6%

Which month was most reliable for HNL to SEA?

Among qualifying HNL-to-SEA month results, February 2026 had the highest on-time rate: 80.1% of 231 flights. July 2025 was lowest at 67.7% across 248 flights.

MonthFlightsOn time30+ minCancelled
July 202524867.7%15.7%2.4%
August 202524874.6%12.9%0.4%
September 202524077.1%10.8%0.0%
October 202524774.5%12.1%2.0%
November 202523673.7%15.7%0.8%
December 202525570.2%19.2%0.4%
January 202625276.6%14.3%1.6%
February 202623180.1%9.5%0.9%
March 202625977.2%13.5%0.8%
April 202624170.1%16.6%0.8%
May 202624877.0%10.9%0.4%
June 202623774.7%11.4%0.4%

What drove HNL to SEA delay minutes?

Airline was the largest recorded HNL-to-SEA delay category, accounting for 58.2% of 51,237 BTS-attributed delay minutes during July 2025–June 2026.

Airline58.2%
Late aircraft30.0%
National airspace10.3%
Weather1.1%
Security0.3%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.