According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Gustavus, AK (GST) ranks #368 of 382 tracked US airports by total flights (most flights = #1). Gustavus, AK posts top-5% on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
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GST on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Gustavus, AK sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Gustavus, AK handles more flight
volume than 4% of them, and has a higher on-time rate than
97% of them, placing it in the quadrant for quiet and reliable.
Flight volume and on-time rate are independent figures: a busy airport can still run
reliably, and a quiet one can still run late.
Gustavus, AK vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 1,064 ·
On-time rate: 90.3%
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes3,267 min
Late Aircraft2,073 min · 63%
Carrier478 min · 15%
NAS (National Aviation System)465 min · 14%
Security185 min · 6%
Weather66 min · 2%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
GST - on-time rate by year
2020–2025, year-over-year trend.
GST - taxi-out and taxi-in (monthly)
Average taxi-out 13.2 min · taxi-in 7 min over the last 21 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
GST's average taxi-out (13.2 min) stays shorter than the recent U.S. airport mean (~16.4 min). Even the heaviest month (September 2022, 21.8 min) is milder than many hubs' typical book.
Cancellation & Diversion Analysis
Flight disruption statistics for Gustavus, AK.
Cancellation Rate
1.97%
21 of 1,064 flights
Diversion Rate
0.00%
0 of 1,064 flights
Delay Rate
9.7%
103 of 1,064 flights
Nationwide peers by on-time rate & flight volume
Two PlainFlights-derived comparison paths for Gustavus, AK, both outside Alaska so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Gustavus, AK is the delay mix: Late Aircraft owns 63.5% of 3,267 delay minutes across 1,064 BTS flights. The on-time headline is 90.3% (11.3 pts above the 79% national average), with 103 delayed and 21 cancelled (1.97%).
Delay minutes concentrate in Late Aircraft (63.5% late-aircraft, 14.6% carrier, 14.2% NAS, 2.0% weather, 5.7% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, GST is strongest in September (100% on-time) and weakest in July (94.1%), a 5.9-point swing. Volume peaks in July (~62 flights/month). Field definitions: on-time performance explained.
Gustavus, AK vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
90.3%Top 3%higher than 97% of 382 airports
Gustavus, AK
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
GST's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.
Compare GST against airports with a similar on-time rate. Compare airports →
Travel in September rather than July if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 13.2 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Gustavus, AK's on-time rate?
Gustavus, AK (GST) has a 90.3% on-time rate across 1,064 BTS-tracked flights (2020-2025), 11.3 pts above the 79% national flight-weighted average; that places it in roughly the top-5% on-time performance.
How does GST rank among U.S. airports by traffic volume?
Gustavus, AK ranks #368 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at Gustavus, AK?
Late Aircraft is the leading delay cause at GST, accounting for 63.5% of delay minutes. The full breakdown: 63.5% late-aircraft, 14.6% carrier, 14.2% NAS/air-traffic-control, 2.0% weather, and 5.7% security.
When is the best time to fly through Gustavus, AK?
September is historically GST's strongest month at 100% on-time, while July is the weakest at 94.1%, a 5.9-point swing across the BTS historical record.