Best Time to Fly SLC to HNL: On-Time Stats by Hour & Airline
Salt Lake City International → Daniel K Inouye International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 75.8% of Salt Lake City (SLC) to Honolulu (HNL) flights arrived on time (858 scheduled flights). That is 1.8 points below the national average of 77.6%.
Among 3 airlines, Delta Air Lines led with 81.2% on time and Alaska Airlines was last with 60.8%.
Over 24 months, Tuesday was the most reliable day (80% on time) and February the worst month (64%).
The cancellation rate was 1.9% (US average 1.8%).
SLC to HNL on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 81.2% | 74 min | 2.6% | 492 |
| Hawaiian Airlines | 79.6% | 158 min | 0.0% | 153 |
| Alaska Airlines | 60.8% | 59 min | 1.4% | 213 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to HNL
On-time arrival % by scheduled departure hour (local time), 1,710 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 4am–5am | Limited data | 1 | |
| 7am–8am | 79.2% | 0.3% | 597 |
| 8am–9am | 69.7% | 1.4% | 215 |
| 9am–10am | 57.8% | 2.2% | 46 |
| 10am–11am | 80.8% | 1.6% | 122 |
| 11am–12pm | 81.1% | 2.2% | 510 |
| 12pm–1pm | 75.0% | 2.0% | 98 |
| 3pm–4pm | 73.3% | 0.8% | 121 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SLC to HNL
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 90.2% | +12.3 pts | 0.0% | 41 |
| Christmas & New Year (Dec 20 - Jan 3) | 58.4% | -19.5 pts | 0.0% | 90 |
| Summer peak (Jun 15 - Aug 15) | 79.2% | +1.3 pts | 2.4% | 248 |
| All other days | 77.9% | — | 1.2% | 1,331 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).