Tri Cities Airport (PSC): Delays & On-Time Performance
Data through May 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 11 destinations.
- Departures on-time
- 89%
- left <15 min late
- Avg dep delay
- 11 min
- Arrivals on-time
- 83%
- Cancelled
- 0.3%
- Destinations
- 11
- nonstop
- Airlines
- 5
Monthly on-time trend
Best time of day to depart from PSC
Busiest routes from PSC
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| PSC → SEA | 1,915 | 87% | 10 min |
| PSC → SLC | 1,183 | 92% | 8 min |
| PSC → DEN | 729 | 87% | 11 min |
| PSC → PHX | 693 | 89% | 10 min |
| PSC → SFO | 610 | 83% | 15 min |
| PSC → MSP | 365 | 92% | 13 min |
| PSC → LAX | 359 | 87% | 10 min |
| PSC → BUR | 186 | 83% | 14 min |
Airline performance at PSC
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Delta Air Lines | 94% | 13 min | 1,076 |
| United Airlines | 90% | 10 min | 427 |
| SkyWest Airlines | 89% | 9 min | 9,394 |
| Alaska Airlines | 82% | 14 min | 692 |
| Allegiant Air | 77% | 25 min | 610 |
Frequently asked questions
- How often are flights delayed at PSC?
- 11% of departures from Tri Cities Airport left 15+ minutes late between 2024-06 and 2026-05, 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 95% 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
Based on 12,199 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.