Tri Cities Airport (PSC): Delays & On-Time Performance
Data through July 2026
Tri Cities Airport (PSC) runs noticeably smoother than most US airports: 89% of its ~17 daily departures leave on time, 11 points above the national average, with an average departure delay of just 11 minutes. 5 airlines fly from Pasco/Kennewick/Richland, WA to 12 destinations.
- Departures on-time
- 89%
- left <15 min late
- Avg dep delay
- 11 min
- Arrivals on-time
- 83%
- Cancelled
- 0.3%
- Destinations
- 12
- nonstop
- Airlines
- 5
Plan your departure from PSC
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 6 a.m.
- 94% on-time
- Best day to fly
- Tuesday
- 88% on-time
- Cancellation risk
- 0.3%
- below the US average
Monthly on-time trend
Best time of day to depart from PSC
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 12 min |
| Tuesdaybest | 88% | 9 min |
| Wednesday | 88% | 8 min |
| Thursday | 86% | 12 min |
| Friday | 86% | 12 min |
| Saturday | 87% | 13 min |
| Sunday | 87% | 12 min |
Busiest routes from PSC
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| PSC → SEA (Seattle) | 1,727 | 87% | 10 min |
| PSC → SLC (Salt Lake City) | 1,178 | 93% | 8 min |
| PSC → DEN (Denver) | 728 | 87% | 10 min |
| PSC → PHX (Phoenix) | 693 | 88% | 10 min |
| PSC → SFO (San Francisco) | 596 | 78% | 18 min |
| PSC → MSP (Minneapolis) | 365 | 92% | 13 min |
| PSC → LAX (Los Angeles) | 359 | 87% | 10 min |
| PSC → BUR (Burbank) | 186 | 83% | 14 min |
| PSC → AZA (Phoenix) | 133 | 77% | 20 min |
| PSC → LAS (Las Vegas) | 124 | 80% | 28 min |
Where flights into PSC come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| SEA (Seattle) → PSC | 1,726 | 82% | 11 min |
| SLC (Salt Lake City) → PSC | 1,178 | 88% | 8 min |
| DEN (Denver) → PSC | 729 | 78% | 17 min |
| PHX (Phoenix) → PSC | 693 | 86% | 12 min |
| SFO (San Francisco) → PSC | 594 | 80% | 16 min |
| MSP (Minneapolis) → PSC | 365 | 72% | 19 min |
| LAX (Los Angeles) → PSC | 360 | 87% | 10 min |
| BUR (Burbank) → PSC | 186 | 84% | 11 min |
What causes delays at PSC
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing PSC.
- Late-arriving aircraft17%
- Airline operations58%
- National airspace system14%
- Weather12%
Alternative airports near Pasco/Kennewick/Richland
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| LWS — Lewiston Nez Perce County Airport | 101 mi | 92% | 10 min |
| GEG — Spokane International Airport | 120 mi | 85% | 11 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at PSC
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 94% | 13 min | 1,145 |
| United Airlines | 91% | 9 min | 487 |
| SkyWest Airlines | 89% | 10 min | 9,868 |
| Alaska Airlines | 82% | 14 min | 662 |
| Allegiant Air | 76% | 25 min | 631 |
Frequently asked questions
- How often are flights delayed at PSC?
- 12% of departures from Tri Cities Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 11 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from PSC?
- Flights scheduled around 6 a.m. depart on time 94% of the time at PSC, versus 71% around 7 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at PSC?
- In this dataset, February 2025 was the weakest month at PSC, with 83% of departures on time.
- How often are flights cancelled at PSC?
- 0.3% of scheduled departures from PSC were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 12,793 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.