Flight Reliability
AS 839 · Alaska Airlines
Seattle → Lihue (SEA–LIH)
70
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 2.0%
- Cancelled
- 0 min
- Median arrival delay
Based on 147 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 839 arrived on time 80% of the time on Sundays and just 62% on Fridays. That gap is worth planning around.
Lagging the Alaska Airlines network.
AS 839 arrived on time 70% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon62%(21 flights)
- Tue70%(20 flights)
- Wed67%(21 flights)
- Thu75%(20 flights)
- Fri62%(21 flights)
- Sat76%(21 flights)
- Sun80%(20 flights)
92%
Oct
Jun 60% → Oct 92% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 60% | 30 |
| July 2025 | 55% | 29 |
| August 2025 | 71% | 31 |
| September 2025 | 77% | 30 |
| October 2025 | 92% | 24 |
- Departures on time
- 65%
- 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.