Pasco/Kennewick/Richland (PSC) to Denver (DEN): On-Time Performance
Data through May 2026
SkyWest Airlines effectively owns the PSC–DEN corridor, operating 71% of its flights and landing on time 85% of the time. That concentration hasn't hurt reliability: the route beats the national on-time average by 8 points (87% vs 78%).
- On-time
- 87%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 31m
- scheduled
- Distance
- 853 mi
Best airline from PSC to DEN
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 91% | 9 min | 0.7% | 427 |
| SkyWest Airlines | 85% | 12 min | 0.3% | 1,031 |
Monthly on-time trend
Best time to fly from PSC to DEN
Aim for departures around 5 a.m. (91% on-time); avoid 1 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 10 min |
| Tuesdaybest | 90% | 7 min |
| Wednesday | 86% | 8 min |
| Thursday | 85% | 12 min |
| Friday | 85% | 11 min |
| Saturday | 84% | 15 min |
| Sunday | 89% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft17%
- Airline operations58%
- National airspace system15%
- Weather10%
Frequently asked questions
- How often are flights from PSC to DEN delayed?
- 13% of PSC–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from PSC to DEN?
- United Airlines has the best on-time record on this route at 91%, based on 427 flights. 2 airlines flew PSC–DEN frequently enough to compare in this period.
- What is the best time of day to fly from PSC to DEN?
- Departures around 5 a.m. have the best record (91% on-time), while departures around 1 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PSC to DEN?
- The scheduled PSC–DEN flight time averages 2h 31m over 853 miles. Actual arrival times vary — flights on this route land 15+ minutes late 13% of the time.
- How often are PSC to DEN flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What day of the week is most reliable for PSC to DEN?
- Tuesday flights have the best record at 90% on-time. Day-of-week differences on this route are modest.
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Based on 1,458 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.