Tri Cities Airport (PSC) delays & on-time performance
Pasco/Kennewick/Richland, Washington · 12 nonstop destinations · 5 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PSC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Figures cover 6,190 departures from PSC; on-time is measured at arrival. Arrivals into PSC were on time 83% of the time.
Key facts
- Flights departing Tri Cities Airport (PSC) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 5% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (93% on time); Allegiant Air was the least (72%).
- Departures scheduled around 5am did best (93% on time); around 7pm did worst (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (53%).
Most delayed routes from PSC
Lowest on-time arrival rates among regularly flown routes.
- SFO · San Francisco71%596 flts
- SEA · Seattle88%1,727 flts
- PHX · Phoenix89%693 flts
- DEN · Denver89%728 flts
- MSP · Minneapolis92%365 flts
- SLC · Salt Lake City94%1,178 flts
Most reliable routes from PSC
Highest on-time arrival rates among regularly flown routes.
- SLC · Salt Lake City94%1,178 flts
- MSP · Minneapolis92%365 flts
- DEN · Denver89%728 flts
- PHX · Phoenix89%693 flts
- SEA · Seattle88%1,727 flts
- SFO · San Francisco71%596 flts
Best airline at PSC
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 93% | 0.3% | 14 min | 2 | 592 |
| United Airlines | 91% | 0.8% | 9 min | 1 | 363 |
| SkyWest Airlines | 88% | 0.4% | 11 min | 9 | 4,664 |
| Alaska Airlines | 82% | 1.5% | 14 min | 2 | 265 |
| Allegiant Air | 72% | 0.3% | 36 min | 3 | 306 |
Best time to fly out of PSC
On-time arrival rate by scheduled departure hour (local time).
- 5am93%1,168 flts
- 6am89%927 flts
- 7am83%500 flts
- 8am89%201 flts
- 9am94%104 flts
- 10am85%97 flts
- 11am91%245 flts
- 12pm89%557 flts
- 1pm80%726 flts
- 2pm85%284 flts
- 3pm82%328 flts
- 5pm90%637 flts
- 6pm84%162 flts
- 7pm77%145 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)53%
- Late-arriving aircraft18%
- Air traffic control & airport congestion15%
- Extreme weather14%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.