Flight Reliability
HA 551 · Hawaiian Airlines
Hilo → Honolulu (ITO–HNL)
84
Pretty Reliable
WanderNerd Reliability Score
- 76%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0%
- Cancelled
- 2 min
- Median arrival delay
Based on 50 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
HA 551 arrived on time 100% of the time on Mondays and just 40% on Sundays. That gap is worth planning around.
Lagging the ITO–HNL route.
HA 551 arrived on time 76% of the time, versus 85% across the ITO–HNL route.
A bit behind the Hawaiian Airlines network.
HA 551 arrived on time 76% of the time, versus 83% across the Hawaiian Airlines network.
The breakdown
- Mon100%(10 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu60%(10 flights)
- Fri90%(10 flights)
- Sat90%(10 flights)
- Sun40%(10 flights)
79%
Aug
Jun 73% → Aug 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 15 |
| July 2025 | 76% | 21 |
| August 2025 | 79% | 14 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 50
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 50 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.