GST to JNU flight delays
Gustavus, AK (GST) Juneau, AK (JNU) · 41 miles
171 flights · July 2024 – July 2026 · US Bureau of Transportation Statistics
83.85% of flights from Gustavus to Juneau arrived within 15 minutes of schedule over July 2024 – July 2026, across 171 flights.
83.85%
Arrived on time
Within 15 minutes of schedule
5.85%
Cancelled
Share of scheduled flights
73 min
When late, late by
Average across delayed arrivals
13 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Cancellation, not delay, is the risk worth pricing here: 5.85% of scheduled flights never operated. A late flight still gets you there. A cancelled one leaves you rebooking, and on a route with few daily departures that can mean losing a day.
The shape of the lateness matters here. Flights on this route are not late often, but when they are late they are late by about 73 minutes — long enough to lose a connection or an evening. The on-time percentage looks reassuring and understates the consequence of being on the wrong flight.
The season swings this route hard. In June it ran 23.4 points more punctual than in July — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
Only Alaska Airlines flies this route in the published record, so there is no choice to weigh — the route's figures and the airline's are the same figures.
Which airline should you fly on this route?
Over July 2024 – July 2026, Alaska Airlines arrived on time most often on GST to JNU. Flights ran closest to schedule in June and worst in July.
Every airline on GST to JNU
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| Alaska Airlines | 171 | 83.85% | 5.85% | 73 min | D |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
JNU to GST Juneau back to Gustavus 83.13% on time DCommon questions
Are flights from Gustavus to Juneau usually delayed?
83.85% of flights on the GST to JNU route arrived within 15 minutes of schedule, so roughly 2 in every ten arrived late. That is better than the average route in this record.
Which airlines fly from Gustavus to Juneau?
Only Alaska Airlines appears in the published record on this route, with 171 flights and 83.85% arriving on time.
How often are GST to JNU flights cancelled?
5.85% of scheduled flights did not operate — about 59 in every thousand. That is high enough that cancellation, not delay, is the risk worth planning around.
What is the best month to fly Gustavus to Juneau?
June, when 95.8% of flights arrived on time. The worst was July at 72.4%.
When GST to JNU flights are late, how late are they?
About 73 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on GST to JNU during July 2024 – July 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →