Historical on-time performance
Seattle to Juneau
Flights on SEA–JNU arrive on time 74% of the time over the last 12 months.
based on 1,534 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-time79%Medianon timep9045 minCancel0.0%Flights92
- Alaska AirlinesOn-time73%Medianon timep9040 minCancel1.5%Flights1,442
Why flights run late
Delay causes
- Airline43%
- Weather5%
- Air traffic (NAS)18%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline52%
- Weather48%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 21 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 SEA → JNU
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 79% on time.
- Mornings79% on time · p90 25 min · 1,326 flights
- Afternoons77% on time · p90 30 min · 141 flights · limited
- Middays74% on time · p90 35 min · 1,133 flights
- Evenings73% on time · p90 40 min · 1,035 flights
- Overnights70% on time · p90 40 min · 1,154 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 82% on time.
- Tuesdays82% on time · p90 25 min · 678 flights
- Saturdays78% on time · p90 30 min · 687 flights
- Wednesdays75% on time · p90 35 min · 677 flights
- Sundays73% on time · p90 40 min · 689 flights
- Fridays72% on time · p90 45 min · 693 flights
- Mondays72% on time · p90 40 min · 681 flights
- Thursdays69% on time · p90 40 min · 684 flights
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