Best Time to Fly PSC to PHX: On-Time Stats by Hour & Airline
Tri Cities → Phoenix Sky Harbor International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 89.3% of Pasco/Kennewick/Richland (PSC) to Phoenix (PHX) flights arrived on time (693 scheduled flights). That is 11.7 points above the national average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (96% on time) and Sunday the weakest day of the week (87%).
0.0% of flights were cancelled, versus 1.8% nationally.
PSC 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 | 89.3% | 93 min | 0.0% | 693 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PSC to PHX
On-time arrival % by scheduled departure hour (local time), 1,385 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.9% | 0.0% | 690 |
| 8am–9am | Limited data | 2 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | 90.7% | 0.0% | 54 |
| 2pm–3pm | 89.7% | 0.0% | 273 |
| 3pm–4pm | 85.3% | 0.0% | 360 |
| 8pm–9pm | Limited data | 5 | |
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 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) | Limited data | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 83.9% | -5.8 pts | 0.0% | 56 |
| Summer peak (Jun 15 - Aug 15) | 87.8% | -1.9 pts | 0.0% | 231 |
| All other days | 89.7% | — | 0.0% | 1,070 |
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).