How reliable is Pittsburgh International Airport?
Flights from PIT departed within 15 minutes of schedule in 84% of 254,290 flights in official BTS history — and weather is calmest in Sep. 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 PIT looks like
On-time departures
across 254,290 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 Pittsburgh
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 · 95/100 favorability
Roughest month
Most disruptive — snow, low visibility & fog · 81/100 favorability
The read on PIT
What the numbers say about flying through Pittsburgh International Airport
Across official performance history, flights from Pittsburgh left within 15 minutes of schedule about 84% of the time over 254,290 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 1.9%. When a departure does run late, the typical delay is around 9 minutes.
On weather, Pittsburgh is an unusually calm-weather airport year-round. September is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while January is the most disruptive at 81, driven mainly by snow and low visibility & fog. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Pittsburgh, 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 PIT
- How reliable is Pittsburgh International Airport (PIT)?
- Flights from Pittsburgh left within 15 minutes of schedule roughly 84% of the time across 254,290 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 1.9%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from PIT for good weather?
- September has the calmest flying weather at Pittsburgh International Airport. January is the most disruptive, mainly from snow and low visibility & fog.
Planning a trip through Pittsburgh?
Score real flights to and from PIT on reliability, weather, and connection safety — not just price.