Flight Reliability
AS 1221 · Alaska Airlines
Hilo → Honolulu (ITO–HNL)
82
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 2.9%
- Cancelled
- 2 min
- Median arrival delay
Based on 35 historical flights. Data through May 2026.
What the data says
A bit ahead of the Alaska Airlines network.
AS 1221 arrived on time 85% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon—(5 flights)
- Tue—(5 flights)
- Wed—(5 flights)
- Thu—(4 flights)
- Fri—(5 flights)
- Sat—(5 flights)
- Sun—(5 flights)
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 34
- Months covered
- 2
Same route, other flights
Keep nerding
Based on 35 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.