Honolulu (HNL) to Washington (IAD): On-Time Performance
Data through July 2026
Honolulu (HNL) to Washington (IAD) is a thinner route than most in this dataset — 168 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time. Cancellations are the bigger caveat: 3.5% of scheduled flights never departed.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 3.5%
- Flights/day
- 0.46
- last 12 months
- Duration
- 9h 17m
- scheduled
- Distance
- 4,816 mi
Monthly on-time trend
Best time to fly from HNL to IAD
Aim for departures around 3 p.m. (84% on-time); avoid 4 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 27 min |
| Tuesday | 84% | 14 min |
| Wednesday | 82% | 9 min |
| Thursdaybest | 90% | 12 min |
| Friday | 82% | 11 min |
| Saturday | 80% | 26 min |
| Sunday | 76% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft79%
- Airline operations19%
- National airspace system2%
Frequently asked questions
- How often are flights from HNL to IAD delayed?
- 18% of HNL–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 minutes.
- What is the best time of day to fly from HNL to IAD?
- Departures around 3 p.m. have the best record (84% on-time), while departures around 4 p.m. have the worst (78%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from HNL to IAD?
- The scheduled HNL–IAD flight time averages 9h 17m over 4,816 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are HNL to IAD flights cancelled?
- 3.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What day of the week is most reliable for HNL to IAD?
- Thursday flights have the best record at 90% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 76%.
Explore related pages
More routes from HNL
Other ways to fly to Washington (IAD)
Related guides
Based on 314 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.