Route Reliability
Kailua-Kona → Salt Lake City
KOA–SLC · 2,966 miles · Ellison Onizuka Kona International Airport to Salt Lake City International Airport
67
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 3.1%
- Cancelled
- 96
- Flights in the data
Data through May 2026.
Delta Air Lines is the only airline in this data on this route, arriving on time 71% of the time across 96 flights. No comparison to make.
What the data says
Friday is doing you no favors.
KOA–SLC flights arrived on time 81% of the time on Mondays and just 56% on Fridays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon81%(16 flights)
- Tue—(7 flights)
- Wed—(7 flights)
- Thu73%(15 flights)
- Fri56%(16 flights)
- Sat69%(16 flights)
- Sun75%(16 flights)
58%
Apr
Dec 50% → Apr 58% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 50% | 12 |
| January 2026 | 74% | 23 |
| February 2026 | 95% | 19 |
| March 2026 | 67% | 27 |
| April 2026 | 58% | 12 |
Keep nerding
Based on 96 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.