Gustavus Airport (GST) delays & on-time performance
Gustavus, Alaska · 1 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GST right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
87%
arrived < 15 min late
Cancelled
5.7%
5 flights
Avg arrival delay
11 min
76 min when late
Departed on time
84%
avg taxi-out 10 min
Figures cover 87 departures from GST; on-time is measured at arrival. Arrivals into GST were on time 85% of the time.
Key facts
- Flights departing Gustavus Airport (GST) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 5.7% were cancelled, and 4% arrived an hour or more late.
- The largest source of delay minutes was late-arriving aircraft (87%).
Most delayed routes from GST
Lowest on-time arrival rates among regularly flown routes.
Most reliable routes from GST
Highest on-time arrival rates among regularly flown routes.
Best airline at GST
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Alaska Airlines | 87% | 5.7% | 11 min | 1 | 87 |
Best time to fly out of GST
On-time arrival rate by scheduled departure hour (local time).
- 5pm87%87 flts
Monthly trend
Why departures were late
- Late-arriving aircraft87%
- Air traffic control & airport congestion8%
- Airline (crew, maintenance, cleaning, fueling)4%
- Security1%
- Extreme weather0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.