How reliable is Gustavus Airport?
Flights from GST departed within 15 minutes of schedule in 88% of 532 flights in official BTS history. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Origin-airport operations
What the departure punctuality at GST looks like
On-time departures
across 532 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
Weather history isn’t available for GST yet
PlaneSane shows month-by-month airport weather once enough historical METAR/IEM observations are loaded for the airport. This does not mean the airport has no weather data forever; it means the current climatology table has no monthly coverage for Gustavus Airport.
The read on GST
What the numbers say about flying through Gustavus Airport
Across official performance history, flights from Gustavus left within 15 minutes of schedule about 88% of the time over 532 flights. That's one of the more dependable operational records you'll see. Pair it with an elevated cancellation rate of 3.9% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 0 minutes.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Gustavus, 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 GST
- How reliable is Gustavus Airport (GST)?
- Flights from Gustavus left within 15 minutes of schedule roughly 88% of the time across 532 flights of official history — one of the more dependable operational records you'll see. The cancellation rate runs about 3.9%. It's advisory context, not a guarantee for any single flight.
Planning a trip through Gustavus?
Score real flights to and from GST on reliability, weather, and connection safety — not just price.