How reliable is Piedmont Triad International Airport?
Flights from GSO departed within 15 minutes of schedule in 85% of 80,114 flights in official BTS history — and weather is calmest in Apr. 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 GSO looks like
On-time departures
across 80,114 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 Greensboro
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 — low visibility & fog, snow · 82/100 favorability
The read on GSO
What the numbers say about flying through Piedmont Triad International Airport
Across official performance history, flights from Greensboro left within 15 minutes of schedule about 85% of the time over 80,114 flights. That's one of the more dependable operational records you'll see. Pair it with an elevated cancellation rate of 2.6% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 9 minutes.
On weather, Greensboro is an unusually calm-weather airport year-round. April is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while January is the most disruptive at 82, driven mainly by low visibility & fog and snow. 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 Greensboro, 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 GSO
- How reliable is Piedmont Triad International Airport (GSO)?
- Flights from Greensboro left within 15 minutes of schedule roughly 85% of the time across 80,114 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 2.6%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from GSO for good weather?
- April has the calmest flying weather at Piedmont Triad International Airport. January is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Greensboro?
Score real flights to and from GSO on reliability, weather, and connection safety — not just price.