JNU to SEA flight delays
Juneau, AK (JNU) Seattle, WA (SEA) · 909 miles
198 flights · March 2025 – August 2026 · US Bureau of Transportation Statistics
86.22%
Arrived on time
Within 15 minutes of schedule
1.01%
Cancelled
Share of scheduled flights
57 min
When late, late by
Average across delayed arrivals
9 min
Delay per flight
Averaged over every flight flown
What the record says about this route
The two directions do not behave alike. SEA to JNU arrives on time 10 points less often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
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.
Flights from Juneau to Seattle keep to schedule more reliably than most. On a route this punctual the day you fly matters more than the airline you pick.
Which airline should you fly on this route?
Over March 2025 – August 2026, Alaska Airlines arrived on time most often on JNU to SEA.
Every airline on JNU to SEA
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 | 175 | 84.39% | 1.14% | 57 min | B |
| Delta Air Lines | 23 | 100% | 0% | — | — |
The return leg
SEA to JNU Seattle back to Juneau 76.26% on time COther routes from Juneau
Common questions
Are flights from Juneau to Seattle usually delayed?
86.22% of flights on the JNU to SEA route arrived within 15 minutes of schedule, so roughly 1 in every ten arrived late. That is better than the average route in this record.
Which airlines fly from Juneau to Seattle?
Only Alaska Airlines appears in the published record on this route, with 175 flights and 84.39% arriving on time.
How often are JNU to SEA flights cancelled?
1.01% of scheduled flights did not operate — about 10 in every thousand. That is in the normal range.
When JNU to SEA flights are late, how late are they?
About 57 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 JNU to SEA during March 2025 – August 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 →