Route Reliability
Washington → Honolulu
IAD–HNL · 4,816 miles · Washington Dulles International Airport to Daniel K. Inouye International Airport
81
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 1.5%
- Cancelled
- 136
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 136 flights. No comparison to make.
What the data says
Thursdays have been rough.
IAD–HNL flights arrived on time 93% of the time on Mondays and just 77% on Thursdays. That gap is worth planning around.
The breakdown
- Mon93%(15 flights)
- Tue—(4 flights)
- Wed81%(16 flights)
- Thu77%(17 flights)
- Fri88%(16 flights)
- Sat84%(50 flights)
- Sun93%(14 flights)
- 6–9 AM84%(125 flights)
- 9 AM–12 PM—(7 flights)
96%
Mar
Dec 81% → Mar 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 81% | 16 |
| January 2026 | 84% | 25 |
| February 2026 | 72% | 25 |
| March 2026 | 96% | 26 |
Keep nerding
Based on 136 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.