Best Time to Fly SLC to SNA: On-Time Stats by Hour & Airline
Salt Lake City International → John Wayne Airport-Orange County
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.8% of Salt Lake City (SLC) to Santa Ana (SNA) flights arrived on time (1,855 scheduled flights). That is 6.1 points above the national average of 77.6%.
Frontier Airlines was the most punctual of the 3 airlines on the route at 86.5%, while Delta Air Lines trailed at 83.6%.
March has been the best month (91% on time) and Thursday the weakest day of the week (81%).
0.7% of flights were cancelled, versus 1.8% nationally.
SLC to SNA 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 |
|---|---|---|---|---|
| Frontier Airlines | 86.5% | 68 min | 4.0% | 101 |
| SkyWest Airlines | 83.9% | 69 min | 0.8% | 125 |
| Delta Air Lines | 83.6% | 64 min | 0.5% | 1,629 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to SNA
On-time arrival % by scheduled departure hour (local time), 3,554 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 87.7% | 1.0% | 307 |
| 8am–9am | 90.7% | 0.2% | 445 |
| 9am–10am | Limited data | 7 | |
| 10am–11am | 77.7% | 0.0% | 239 |
| 11am–12pm | 82.1% | 0.2% | 504 |
| 12pm–1pm | Limited data | 6 | |
| 2pm–3pm | Limited data | 1 | |
| 3pm–4pm | 81.6% | 0.7% | 743 |
| 4pm–5pm | Limited data | 12 | |
| 5pm–6pm | 84.0% | 0.7% | 561 |
| 6pm–7pm | Limited data | 1 | |
| 8pm–9pm | 84.5% | 0.0% | 303 |
| 9pm–10pm | 86.9% | 0.0% | 425 |
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 SNA
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) | 78.8% | -7.0 pts | 0.0% | 66 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.9% | -13.8 pts | 0.7% | 145 |
| Summer peak (Jun 15 - Aug 15) | 81.5% | -4.2 pts | 0.2% | 593 |
| All other days | 85.8% | — | 0.4% | 2,750 |
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).