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

Portland, OR (PDX) to Kona, HI (KOA) flight delay odds

84.4% of 365 official scheduled PDX-to-KOA flights arrived on time; 7.9% arrived at least 30 minutes late and 0.0% 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 SIGNALLower disruption
84.4%arrived on time
7.9%30+ min late
0.0%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.5%all scheduled flights
120+ minutes late0.8%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival-2.3 mincompleted flights

Which departure time was most reliable for PDX to KOA?

Among qualifying PDX-to-KOA departure window results, Early morning had the highest on-time rate: 84.4% of 289 flights. Late morning was lowest at 84.2% across 76 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28984.4%8.3%0.0%
Late morning7684.2%6.6%0.0%

Which weekday was most reliable for PDX to KOA?

Among qualifying PDX-to-KOA weekday results, Thursday had the highest on-time rate: 90.4% of 52 flights. Sunday was lowest at 76.9% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5286.5%7.7%0.0%
Tuesday5383.0%11.3%0.0%
Wednesday5280.8%13.5%0.0%
Thursday5290.4%1.9%0.0%
Friday5290.4%7.7%0.0%
Saturday5282.7%1.9%0.0%
Sunday5276.9%11.5%0.0%

Which airline was most reliable for PDX to KOA?

Only Alaska Airlines met the PDX-to-KOA airline threshold: 84.4% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines36584.4%7.9%0.0%

Which month was most reliable for PDX to KOA?

Among qualifying PDX-to-KOA month results, May 2026 had the highest on-time rate: 96.8% of 31 flights. October 2025 was lowest at 71.0% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253187.1%9.7%0.0%
August 20253190.3%3.2%0.0%
September 20253090.0%3.3%0.0%
October 20253171.0%22.6%0.0%
November 20253073.3%13.3%0.0%
December 20253174.2%9.7%0.0%
January 20263187.1%3.2%0.0%
February 20262878.6%10.7%0.0%
March 20263174.2%16.1%0.0%
April 20263096.7%0.0%0.0%
May 20263196.8%3.2%0.0%
June 20263093.3%0.0%0.0%

What drove PDX to KOA delay minutes?

National airspace was the largest recorded PDX-to-KOA delay category, accounting for 48.4% of 2,614 BTS-attributed delay minutes during July 2025–June 2026.

Airline31.4%
Late aircraft19.2%
National airspace48.4%
Weather1.0%
Security0.0%
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.