How reliable is City of Colorado Springs Municipal Airport?
Flights from COS departed within 15 minutes of schedule in 82% of 73,527 flights in official BTS history — and weather is calmest in Oct. 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 COS looks like
On-time departures
across 73,527 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 Colorado Springs
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 · 84/100 favorability
The read on COS
What the numbers say about flying through City of Colorado Springs Municipal Airport
Across official performance history, flights from Colorado Springs left within 15 minutes of schedule about 82% of the time over 73,527 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 1.5%. When a departure does run late, the typical delay is around 12 minutes.
On weather, Colorado Springs is an unusually calm-weather airport year-round. October is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while February is the most disruptive at 84, 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 Colorado Springs, 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 COS
- How reliable is City of Colorado Springs Municipal Airport (COS)?
- Flights from Colorado Springs left within 15 minutes of schedule roughly 82% of the time across 73,527 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 1.5%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from COS for good weather?
- October has the calmest flying weather at City of Colorado Springs Municipal Airport. February is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Colorado Springs?
Score real flights to and from COS on reliability, weather, and connection safety — not just price.