Flight Reliability
AS 823 · Alaska Airlines
Seattle → Honolulu (SEA–HNL)
65
Usually Fine
WanderNerd Reliability Score
- 65%
- Arrive within 15 minutes
- 13 min
- Average arrival delay
- 1.4%
- Cancelled
- 3 min
- Median arrival delay
Based on 146 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AS 823 departing between 12–3 PM arrived on time 91% of the time, versus 60% between 6–9 PM.
Friday is doing you no favors.
AS 823 arrived on time 80% of the time on Tuesdays and just 52% on Fridays. That gap is worth planning around.
Well behind the Alaska Airlines network.
AS 823 arrived on time 65% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon67%(21 flights)
- Tue80%(20 flights)
- Wed57%(21 flights)
- Thu67%(21 flights)
- Fri52%(21 flights)
- Sat75%(20 flights)
- Sun55%(20 flights)
- 12–3 PM91%(21 flights)
- 6–9 PM60%(123 flights)
92%
Oct
Jun 63% → Oct 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 30 |
| July 2025 | 38% | 29 |
| August 2025 | 61% | 31 |
| September 2025 | 73% | 30 |
| October 2025 | 92% | 24 |
- Departures on time
- 51%
- Diverted
- 0%
- Flights flown
- 144
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 146 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.