Route
SLC → KOA
Salt Lake City International Airport Ellison Onizuka Kona International Airport at Keāhole
How punctual is this route?
- On-time arrivals
- 71.3%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 96
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 76%
- Air traffic control & airport 14%
- Late-arriving aircraft 6%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 58.3% | 12 |
| January 2026 | 69.6% | 23 |
| February 2026 | 65.0% | 20 |
| March 2026 | 77.8% | 29 |
| April 2026 | 83.3% | 12 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Delta Air Lines | 96 | 71.3% | 2.1% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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DL1539
24% late · 80 flights
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