Flight Reliability
HA 321 · Hawaiian Airlines
Hilo → Honolulu (ITO–HNL)
89
Pretty Reliable
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 0.9%
- Cancelled
- 6 min
- Median arrival delay
Based on 114 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
HA 321 arrived on time 94% of the time on Mondays and just 71% on Fridays. That gap is worth planning around.
The breakdown
- Mon94%(16 flights)
- Tue93%(15 flights)
- Wed81%(16 flights)
- Thu77%(17 flights)
- Fri71%(17 flights)
- Sat81%(16 flights)
- Sun94%(16 flights)
90%
Sep
Jun 79% → Sep 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 19 |
| July 2025 | 73% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 90% | 30 |
- Departures on time
- 84%
- Diverted
- 0%
- Flights flown
- 113
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 114 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.