Best Time to Fly SLC to SGU: On-Time Stats by Hour & Airline
Salt Lake City International → St George Regional
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 91.9% of Salt Lake City (SLC) to St. George (SGU) flights arrived on time (1,717 scheduled flights). That is 14.2 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (95% on time) and Thursday the weakest day of the week (88%).
0.2% of flights were cancelled, versus 1.8% nationally.
SLC to SGU 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 | 91.9% | 71 min | 0.2% | 1,717 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to SGU
On-time arrival % by scheduled departure hour (local time), 3,245 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 9am–10am | 91.7% | 0.3% | 626 |
| 11am–12pm | 92.4% | 0.2% | 423 |
| 1pm–2pm | 91.8% | 0.0% | 704 |
| 3pm–4pm | 91.2% | 0.0% | 125 |
| 4pm–5pm | Limited data | 10 | |
| 5pm–6pm | 85.4% | 0.0% | 646 |
| 8pm–9pm | 91.3% | 0.0% | 355 |
| 9pm–10pm | 98.4% | 0.0% | 61 |
| 10pm–11pm | 94.2% | 0.0% | 294 |
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 SGU
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) | 88.3% | -3.2 pts | 0.0% | 60 |
| Christmas & New Year (Dec 20 - Jan 3) | 95.9% | +4.3 pts | 0.0% | 97 |
| Summer peak (Jun 15 - Aug 15) | 86.8% | -4.8 pts | 0.0% | 530 |
| All other days | 91.6% | — | 0.1% | 2,558 |
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).