Washington (IAD) to Honolulu (HNL): On-Time Performance
Data through May 2026
Washington (IAD) to Honolulu (HNL) 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, comfortably above the national average of 78%.
- On-time
- 83%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 0.37
- last 12 months
- Duration
- 10h 50m
- scheduled
- Distance
- 4,816 mi
Monthly on-time trend
Best time to fly from IAD to HNL
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 23 min |
| Tuesday | 67% | 17 min |
| Wednesday | 70% | 28 min |
| Thursday | 86% | 7 min |
| Friday | 83% | 15 min |
| Saturday | 85% | 23 min |
| Sundaybest | 91% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations66%
- National airspace system10%
- Weather3%
Frequently asked questions
- How often are flights from IAD to HNL delayed?
- 17% of IAD–HNL 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 19 minutes.
- How long is the flight from IAD to HNL?
- The scheduled IAD–HNL flight time averages 10h 50m over 4,816 miles. Actual arrival times vary — flights on this route land 15+ minutes late 17% of the time.
- How often are IAD to HNL flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for IAD to HNL?
- Sunday flights have the best record at 91% on-time. Day-of-week differences on this route are meaningful — Wednesday trails at 70%.
Explore related pages
More routes from IAD
Other ways to fly to Honolulu (HNL)
Related guides
Based on 279 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.