How reliable is Tri Cities Airport?
Flights from PSC departed within 15 minutes of schedule in 89% of 37,778 flights in official BTS history — and weather is calmest in Jun. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at PSC looks like
On-time departures
across 37,778 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Pasco
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 100/100 favorability
Roughest month
Most disruptive — low visibility & fog, freezing conditions · 80/100 favorability
The read on PSC
What the numbers say about flying through Tri Cities Airport
Across official performance history, flights from Pasco left within 15 minutes of schedule about 89% of the time over 37,778 flights. That's one of the more dependable operational records you'll see. Pair it with a low cancellation rate of 0.7%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 6 minutes.
On weather, Pasco is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 100 out of 100 for favorable conditions, while December is the most disruptive at 80, driven mainly by low visibility & fog and freezing conditions. The seasonal swing is real but manageable; favor the calmer months when your dates are flexible.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Pasco, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about PSC
- How reliable is Tri Cities Airport (PSC)?
- Flights from Pasco left within 15 minutes of schedule roughly 89% of the time across 37,778 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 0.7%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from PSC for good weather?
- June has the calmest flying weather at Tri Cities Airport. December is the most disruptive, mainly from low visibility & fog and freezing conditions.
Planning a trip through Pasco?
Score real flights to and from PSC on reliability, weather, and connection safety — not just price.