Best Time to Fly PSC to LAX: On-Time Stats by Hour & Airline
Tri Cities → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
359 flights were scheduled from Pasco/Kennewick/Richland (PSC) to Los Angeles (LAX) in the last 12 months, and 88.2% of those that flew arrived on time, 10.5 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (97% on time) and Tuesday the weakest day of the week (82%).
0.8% of flights were cancelled, versus 1.8% nationally.
PSC to LAX 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 | 90.8% | 67 min | 0.9% | 339 |
| Alaska Airlines | Limited data | 20 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PSC to LAX
On-time arrival % by scheduled departure hour (local time), 666 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 87.4% | 0.5% | 662 |
| 6pm–7pm | Limited data | 2 | |
| 7pm–8pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PSC to LAX
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) | Limited data | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 66.7% | -21.1 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 90.2% | +2.4 pts | 0.9% | 113 |
| All other days | 87.8% | — | 0.4% | 510 |
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).