ON TIMEBOARD

PDX → HNL on time

Portland (Portland, OR) to Honolulu (Honolulu, HI). Every scheduled flight, September 2025 to August 2026.

On time
59%
arrived < 15 min late
Cancelled
1.9%
903 flights
Typical arrival
+8 min
median vs schedule
When late
+60 min
average delay
Flights / day
2
2 airlines

59% of flights from Portland to Honolulu arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 a.m. departures ran on time 65% of the time; the 10 a.m. ones 53%. Most reliable airline: Alaska Airlines (62%). 8% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PDX → HNL: when a flight was late, it was under 45 minutes late 76% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 45 three hours or more; 1.9% were cancelled outright.

Share of all 903 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines61262%2.0%+6 min4.7%+49 minAlaska Airlines
Hawaiian Airlines29154%1.7%+12 min9.3%+79 minHawaiian Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PDX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 65% on time (305 flights)657a8 a.m. departures: too few flights (42 flights)8a9 a.m. departures: too few flights (19 flights)9a10 a.m. departures: 53% on time (351 flights)5310a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: 64% on time (185 flights)645p
PDX → HNL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAlaska AirlinesHawaiian Airlines
7 a.m.71%53%
10 a.m.58%43%
5 p.m.61%—

Last flight of the day

On PDX → HNL, each airline's last flight of the day was cancelled 1.9% of the time, against 1.9% for its earlier flights, about the same. It arrived 3+ hours late 2.2% of the time (earlier flights: 2.2%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Alaska Airlines5:32 p.m.2.9%0.8%1.4%first flight 7:46 a.m.
Hawaiian Airlines—0.0%4.9%3.0%—

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: April (86%). Worst: January (58%).

40%70%100%Jan: 58% on time (206 flights)58JanFeb: 63% on time (185 flights)63FebMar: 71% on time (198 flights)71MarApr: 86% on time (193 flights)86AprMay: 77% on time (203 flights)77MayJun: 65% on time (212 flights)65JunJul: 68% on time (231 flights)68JulAug: 65% on time (225 flights)65AugSep: 74% on time (191 flights)74SepOct: 61% on time (198 flights)61OctNov: 69% on time (192 flights)69NovDec: 66% on time (199 flights)66Dec

By day of week

DayFlightsOn timeCancelled
Monday10760%1.9%
Tuesday10450%0.0%
Wednesday10556%0.0%
Thursday15658%2.6%
Friday15356%1.3%
Saturday15466%3.9%
Sunday12469%2.4%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 70%Late inbound plane 19%Air traffic & airport (NAS) 8%Severe weather 2%Security 1%

Cancellations: airline 16 · weather 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 81310:30 a.m.18755%2.7%+10 minAlaska Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Dec 20, 202540%1
Feb 7, 202640%1
Nov 21, 202530%1
Jul 25, 202630%0
Oct 16, 202530%1

Questions

How often are flights from PDX to HNL on time?

59% of 903 scheduled flights from Portland, OR to Honolulu, HI arrived within 15 minutes of schedule between September 2025 and August 2026. 1.9% were cancelled.

What is the best time of day to fly PDX to HNL?

Flights scheduled to leave at 7 a.m. were the most reliable (65% on time). The 10 a.m. departures were the least (53%).

Which airline is most on time from PDX to HNL?

Alaska Airlines: 62% of its 612 flights on the route arrived on time. Hawaiian Airlines: 54%.

What month has the most delays from PDX to HNL?

January (58% on time). The best month is April (86%), over 2023–2026.

Is the last flight of the day from PDX to HNL more likely to be cancelled?

Not much. Each airline's last PDX–HNL flight of the day was cancelled 1.9% of the time over the past year, against 1.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.