Best Time to Fly LAX to SUN: On-Time Stats by Hour & Airline
Los Angeles International → Friedman Memorial
Data through July 2026 · Last updated October 18, 2026
328 flights were scheduled from Los Angeles (LAX) to Sun Valley/Hailey/Ketchum (SUN) in the last 12 months, and 87.2% of those that flew arrived on time, 9.5 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (94% on time) and December the worst month (79%).
The cancellation rate was 0.0% (US average 1.8%).
LAX to SUN 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 |
|---|---|---|---|---|
| SkyWest Airlines | 87.2% | 70 min | 0.0% | 328 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to SUN
On-time arrival % by scheduled departure hour (local time), 618 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 93.9% | 0.0% | 115 |
| 9am–10am | 87.5% | 0.0% | 40 |
| 10am–11am | 100.0% | 0.0% | 66 |
| 11am–12pm | 80.5% | 0.8% | 129 |
| 12pm–1pm | 87.8% | 0.0% | 101 |
| 1pm–2pm | Limited data | 11 | |
| 2pm–3pm | Limited data | 7 | |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | 93.9% | 1.5% | 67 |
| 7pm–8pm | 87.5% | 0.0% | 80 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX to SUN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | 73.3% | -15.0 pts | 0.0% | 61 |
| Summer peak (Jun 15 - Aug 15) | 94.9% | +6.6 pts | 0.0% | 177 |
| All other days | 88.3% | — | 0.5% | 380 |
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).