Flight Reliability
AS 1128 · Alaska Airlines
Honolulu → Kailua-Kona (HNL–KOA)
74
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 0.9%
- Cancelled
- 4 min
- Median arrival delay
Based on 112 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AS 1128 arrived on time 87% of the time on Wednesdays and just 53% on Fridays. That gap is worth planning around.
Lagging the HNL–KOA route.
AS 1128 arrived on time 72% of the time, versus 87% across the HNL–KOA route.
Lagging the Alaska Airlines network.
AS 1128 arrived on time 72% of the time, versus 80% across the Alaska Airlines network.
The breakdown
- Mon75%(16 flights)
- Tue71%(17 flights)
- Wed87%(15 flights)
- Thu75%(16 flights)
- Fri53%(15 flights)
- Sat69%(16 flights)
- Sun75%(16 flights)
- 12–3 PM—(1 flights)
- 3–6 PM72%(110 flights)
86%
Apr
Jan 77% → Apr 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 77% | 31 |
| February 2026 | 46% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 86% | 21 |
- Departures on time
- 69%
- Diverted
- 0%
- Flights flown
- 111
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 112 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.