Denver (DEN) to Pasco/Kennewick/Richland (PSC): On-Time Performance
Data through July 2026
Denver (DEN) to Pasco/Kennewick/Richland (PSC) effectively runs on two schedules. In September 2024, 92% of arrivals were on time; in June 2026 that fell to 50% — a 42-point seasonal swing. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 71%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 2.0
- last 12 months
- Duration
- 2h 40m
- scheduled
- Distance
- 853 mi
Best airline from DEN to PSC
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 83% | 12 min | 0.2% | 1,034 |
| United Airlines | 67% | 29 min | 0.2% | 488 |
Monthly on-time trend
Best time to fly from DEN to PSC
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 81% | 18 min |
| Tuesday | 79% | 16 min |
| Wednesday | 76% | 19 min |
| Thursday | 75% | 16 min |
| Friday | 76% | 18 min |
| Saturday | 77% | 17 min |
| Sunday | 79% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations29%
- National airspace system11%
- Weather5%
Frequently asked questions
- How often are flights from DEN to PSC delayed?
- 22% of DEN–PSC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from DEN to PSC?
- SkyWest Airlines has the best on-time record on this route at 83%, based on 1,034 flights. 2 airlines flew DEN–PSC frequently enough to compare in this period.
- How long is the flight from DEN to PSC?
- The scheduled DEN–PSC flight time averages 2h 40m over 853 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are DEN to PSC flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to PSC?
- June 2026 was the roughest month in this dataset, with only 50% of arrivals on time. The best was September 2024 at 92%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 1,522 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.