Honolulu (HNL) to Washington (IAD): On-Time Performance
Data through May 2026
Honolulu (HNL) to Washington (IAD) is a thinner route than most in this dataset — 136 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 83% arrived on time. Cancellations are the bigger caveat: 3.2% of scheduled flights never departed.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 0.37
- last 12 months
- Duration
- 9h 20m
- scheduled
- Distance
- 4,816 mi
Monthly on-time trend
Best time to fly from HNL to IAD
Aim for departures around 3 p.m. (87% on-time); avoid 4 p.m. departures (78%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 29 min |
| Tuesday | 82% | 16 min |
| Wednesday | 83% | 5 min |
| Thursdaybest | 88% | 14 min |
| Friday | 82% | 12 min |
| Saturday | 83% | 25 min |
| Sunday | 76% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft82%
- Airline operations16%
- National airspace system2%
Frequently asked questions
- How often are flights from HNL to IAD delayed?
- 17% of HNL–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 21 minutes.
- What is the best time of day to fly from HNL to IAD?
- Departures around 3 p.m. have the best record (87% 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 20m over 4,816 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are HNL to IAD flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — 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 88% 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 279 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.