Best Time to Fly SLC to PSC: On-Time Stats by Hour & Airline
Salt Lake City International → Tri Cities
Data through July 2026 · Last updated October 18, 2026
1,178 flights were scheduled from Salt Lake City (SLC) to Pasco/Kennewick/Richland (PSC) in the last 12 months, and 89.4% of those that flew arrived on time, 11.8 points above the US average of 77.6%.
Among 2 airlines, SkyWest Airlines led with 91.0% on time and Delta Air Lines was last with 85.8%.
Over 24 months, Thursday was the most reliable day (90% on time) and February the worst month (81%).
The cancellation rate was 0.2% (US average 1.8%).
SLC to PSC 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 | 91.0% | 59 min | 0.1% | 830 |
| Delta Air Lines | 85.8% | 82 min | 0.3% | 348 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SLC to PSC
On-time arrival % by scheduled departure hour (local time), 2,331 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 97.4% | 0.0% | 192 |
| 10am–11am | 91.7% | 0.0% | 84 |
| 11am–12pm | 92.0% | 0.2% | 566 |
| 12pm–1pm | 87.8% | 0.0% | 49 |
| 1pm–2pm | 93.5% | 0.0% | 31 |
| 3pm–4pm | 89.3% | 0.0% | 112 |
| 4pm–5pm | 86.6% | 0.0% | 567 |
| 5pm–6pm | Limited data | 2 | |
| 8pm–9pm | Limited data | 4 | |
| 9pm–10pm | 86.1% | 0.0% | 165 |
| 10pm–11pm | 84.3% | 0.5% | 434 |
| 11pm–12am | 82.4% | 0.0% | 125 |
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 PSC
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) | 87.5% | -1.3 pts | 0.0% | 40 |
| Christmas & New Year (Dec 20 - Jan 3) | 90.0% | +1.2 pts | 0.0% | 82 |
| Summer peak (Jun 15 - Aug 15) | 87.7% | -1.1 pts | 0.2% | 473 |
| All other days | 88.8% | — | 0.1% | 1,736 |
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).