Route Reliability
Salt Lake City → Kailua-Kona
SLC–KOA · 2,966 miles · Salt Lake City International Airport to Ellison Onizuka Kona International Airport
70
Usually Fine
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 2.1%
- 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 72% of the time across 96 flights. No comparison to make.
What the data says
Sunday scaries are real for this one.
SLC–KOA flights arrived on time 94% of the time on Mondays and just 44% on Sundays. That gap is worth planning around.
Flights on this route
The breakdown
- Mon94%(16 flights)
- Tue—(7 flights)
- Wed—(7 flights)
- Thu81%(16 flights)
- Fri88%(16 flights)
- Sat56%(16 flights)
- Sun44%(16 flights)
83%
Apr
Dec 58% → Apr 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 58% | 12 |
| January 2026 | 70% | 23 |
| February 2026 | 70% | 20 |
| March 2026 | 78% | 27 |
| April 2026 | 83% | 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.