How reliable is Gunnison Crested Butte Regional Airport?
Flights from GUC departed within 15 minutes of schedule in 82% of 6,562 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 GUC looks like
On-time departures
across 6,562 flights
Source: BTS Airport Operations · data through 2026-09-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Weather by month
When the weather works for you at Gunnison
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 · 99/100 favorability
Roughest month
Most disruptive — snow, low visibility & fog · 82/100 favorability
The read on GUC
What the numbers say about flying through Gunnison Crested Butte Regional Airport
Across official performance history, flights from Gunnison left within 15 minutes of schedule about 82% of the time over 6,562 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 2.5%. When a departure does run late, the typical delay is around 16 minutes.
On weather, Gunnison is an unusually calm-weather airport year-round. June is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while January is the most disruptive at 82, 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 Gunnison, read how we weigh it all in how the Peace of Mind Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about GUC
- How reliable is Gunnison Crested Butte Regional Airport (GUC)?
- Flights from Gunnison left within 15 minutes of schedule roughly 82% of the time across 6,562 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 2.5%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from GUC for good weather?
- June has the calmest flying weather at Gunnison Crested Butte Regional Airport. January is the most disruptive, mainly from snow and low visibility & fog.
Peace of Mind
Where to stay in Gunnison
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Reliability guides
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