Best Time to Fly SGU to PHX: On-Time Stats by Hour & Airline
St George Regional → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.2% of St. George (SGU) to Phoenix (PHX) flights arrived on time (891 scheduled flights). That is 5.6 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (92% on time) and Sunday the weakest day of the week (77%).
0.1% of flights were cancelled, versus 1.8% nationally.
SGU to PHX 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 | 83.2% | 86 min | 0.1% | 891 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SGU to PHX
On-time arrival % by scheduled departure hour (local time), 1,706 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.2% | 0.0% | 338 |
| 7am–8am | 88.4% | 0.3% | 381 |
| 8am–9am | Limited data | 1 | |
| 9am–10am | Limited data | 2 | |
| 11am–12pm | 68.3% | 0.0% | 79 |
| 12pm–1pm | 77.8% | 0.0% | 348 |
| 1pm–2pm | 68.7% | 0.0% | 67 |
| 3pm–4pm | 79.0% | 0.0% | 62 |
| 4pm–5pm | 83.2% | 0.0% | 168 |
| 5pm–6pm | Limited data | 24 | |
| 6pm–7pm | Limited data | 27 | |
| 7pm–8pm | 74.1% | 0.0% | 166 |
| 8pm–9pm | 74.4% | 0.0% | 43 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SGU to PHX
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) | 84.4% | +2.2 pts | 0.0% | 32 |
| Christmas & New Year (Dec 20 - Jan 3) | 79.0% | -3.2 pts | 0.0% | 76 |
| Summer peak (Jun 15 - Aug 15) | 82.0% | -0.2 pts | 0.0% | 233 |
| All other days | 82.2% | — | 0.1% | 1,365 |
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).