Historical on-time performance
Juneau to Seattle
Flights on JNU–SEA arrive on time 77% of the time over the last 12 months.
based on 1,535 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time92%Medianon timep9010 minCancel0.0%Flights92
- Alaska AirlinesOn-time76%Medianon timep9030 minCancel2.1%Flights1,443
Why flights run late
Delay causes
- Airline40%
- Weather6%
- Air traffic (NAS)20%
- Late aircraft32%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline53%
- Weather47%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 30 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly JNU → SEA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Overnights are the most reliable time of day to fly this route — 92% on time.
- Overnights92% on time · p90 10 min · 226 flights
- Mornings85% on time · p90 20 min · 2,282 flights
- Evenings79% on time · p90 30 min · 1,087 flights
- Early mornings79% on time · p90 25 min · 194 flights · limited
- Afternoons76% on time · p90 35 min · 461 flights
- Middays72% on time · p90 40 min · 541 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 84% on time.
- Tuesdays84% on time · p90 25 min · 680 flights
- Sundays83% on time · p90 20 min · 689 flights
- Thursdays82% on time · p90 25 min · 683 flights
- Saturdays81% on time · p90 25 min · 689 flights
- Mondays81% on time · p90 30 min · 683 flights
- Fridays80% on time · p90 30 min · 690 flights
- Wednesdays79% on time · p90 30 min · 677 flights
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