Flight Reliability
AS 990 · Alaska Airlines
Honolulu → Seattle (HNL–SEA)
78
Usually Fine
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 16 min
- Average arrival delay
- 1.8%
- Cancelled
- 6 min early
- Median arrival delay
Based on 110 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
AS 990 arrived on time 94% of the time on Sundays and just 67% on Thursdays. That gap is worth planning around.
A bit ahead of the HNL–SEA route.
AS 990 arrived on time 80% of the time, versus 76% across the HNL–SEA route.
The breakdown
- Mon73%(15 flights)
- Tue87%(15 flights)
- Wed80%(15 flights)
- Thu67%(15 flights)
- Fri75%(16 flights)
- Sat81%(16 flights)
- Sun94%(16 flights)
90%
Apr
Jan 86% → Apr 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 86% | 29 |
| February 2026 | 64% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 90% | 20 |
- Departures on time
- 74%
- Diverted
- 0%
- Flights flown
- 108
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 110 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.