Flight Reliability
HA 391 · Hawaiian Airlines
Hilo → Honolulu (ITO–HNL)
88
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.9%
- Cancelled
- 1 min
- Median arrival delay
Based on 114 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
HA 391 arrived on time 100% of the time on Saturdays and just 65% on Fridays. That gap is worth planning around.
The breakdown
- Mon81%(16 flights)
- Tue80%(15 flights)
- Wed94%(16 flights)
- Thu77%(17 flights)
- Fri65%(17 flights)
- Sat100%(16 flights)
- Sun88%(16 flights)
83%
Sep
Jun 68% → Sep 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 19 |
| July 2025 | 83% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 83% | 30 |
- Departures on time
- 85%
- 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.