Flight Reliability
HA 27 · Hawaiian Airlines
Seattle → Honolulu (SEA–HNL)
51
A Little Dicey
WanderNerd Reliability Score
- 60%
- Arrive within 15 minutes
- 28 min
- Average arrival delay
- 2.0%
- Cancelled
- 11 min
- Median arrival delay
Based on 147 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
HA 27 departing between 12–3 PM arrived on time 84% of the time, versus 51% between 9 AM–12 PM.
Tuesdays have been rough.
HA 27 arrived on time 90% of the time on Sundays and just 33% on Tuesdays. That gap is worth planning around.
A bit behind the SEA–HNL route.
HA 27 arrived on time 60% of the time, versus 66% across the SEA–HNL route.
Well behind the Hawaiian Airlines network.
HA 27 arrived on time 60% of the time, versus 83% across the Hawaiian Airlines network.
The breakdown
- Mon57%(21 flights)
- Tue33%(21 flights)
- Wed67%(21 flights)
- Thu48%(21 flights)
- Fri58%(19 flights)
- Sat71%(21 flights)
- Sun90%(20 flights)
- 9 AM–12 PM51%(101 flights)
- 12–3 PM84%(43 flights)
96%
Oct
Jun 57% → Oct 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 30 |
| July 2025 | 43% | 30 |
| August 2025 | 53% | 30 |
| September 2025 | 59% | 29 |
| October 2025 | 96% | 25 |
- Departures on time
- 59%
- Diverted
- 0%
- Flights flown
- 144
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 147 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.