Flight Reliability
HA 991 · Hawaiian Airlines
Seattle → Honolulu (SEA–HNL)
73
Usually Fine
WanderNerd Reliability Score
- 65%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 0%
- Cancelled
- 6 min
- Median arrival delay
Based on 40 historical flights. Data through May 2026.
What the data says
Well behind the Hawaiian Airlines network.
HA 991 arrived on time 65% of the time, versus 83% across the Hawaiian Airlines network.
The breakdown
- Mon—(6 flights)
- Tue—(6 flights)
- Wed—(6 flights)
- Thu—(5 flights)
- Fri—(5 flights)
- Sat—(6 flights)
- Sun—(6 flights)
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 40
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 40 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.