How reliable is St George Municipal Airport?
Flights from SGU departed within 15 minutes of schedule in 89% of 21,102 flights in official BTS history — and weather is calmest in Nov. 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 SGU looks like
On-time departures
across 21,102 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Advertisement
Weather by month
When the weather works for you at Saint George
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 — low visibility & fog, high winds · 98/100 favorability
The read on SGU
What the numbers say about flying through St George Municipal Airport
Across official performance history, flights from Saint George left within 15 minutes of schedule about 89% of the time over 21,102 flights. That's one of the more dependable operational records you'll see. Pair it with a low cancellation rate of 0.3%, so flights here rarely vanish outright. When a departure does run late, the typical delay is around 6 minutes.
On weather, Saint George is an unusually calm-weather airport year-round. November is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while February is the most disruptive at 98, driven mainly by low visibility & fog and high winds. 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 Saint George, 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 SGU
- How reliable is St George Municipal Airport (SGU)?
- Flights from Saint George left within 15 minutes of schedule roughly 89% of the time across 21,102 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 0.3%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from SGU for good weather?
- November has the calmest flying weather at St George Municipal Airport. February is the most disruptive, mainly from low visibility & fog and high winds.
Planning a trip through Saint George?
Score real flights to and from SGU on reliability, weather, and connection safety — not just price.