Flight Reliability
AS 1142 · Alaska Airlines
STS → Seattle (STS–SEA)94% of its flights flew this route. The rest (HNL–ITO, LIH–HNL) are included in these numbers.
95
Nerd Approved
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 1 min early
- Average arrival delay
- 0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 47 historical flights. Data through May 2026.
What the data says
Better than the STS–SEA route average.
AS 1142 arrived on time 87% of the time, versus 74% across the STS–SEA route.
A bit ahead of the Alaska Airlines network.
AS 1142 arrived on time 87% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon—(6 flights)
- Tue—(6 flights)
- Wed—(8 flights)
- Thu—(7 flights)
- Fri—(7 flights)
- Sat—(6 flights)
- Sun—(7 flights)
- 6–9 AM91%(44 flights)
- 12–3 PM—(3 flights)
- Departures on time
- 94%
- Diverted
- 0%
- Flights flown
- 47
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 47 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.