Historical on-time performance
Bozeman to Seattle
543 miData through May 2026Source: US DOT · BTS
Flights on BZN–SEA arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,480 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time87%Medianon timep9015 minCancel0.2%Flights858
- Alaska AirlinesOn-time78%Medianon timep9040 minCancel1.3%Flights622
Why flights run late
Delay causes
- Airline39%
- Weather13%
- Air traffic (NAS)17%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline60%
- Weather30%
- Air traffic (NAS)10%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 10 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 BZN → SEA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 92% on time.
- Mornings92% on time · p90 5 min · 846 flights
- Middays87% on time · p90 20 min · 370 flights
- Afternoons76% on time · p90 40 min · 1,220 flights
- Evenings71% on time · p90 40 min · 418 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Wednesdays86% on time · p90 20 min · 394 flights
- Tuesdays85% on time · p90 20 min · 395 flights
- Mondays82% on time · p90 25 min · 420 flights
- Saturdays81% on time · p90 35 min · 384 flights
- Thursdays80% on time · p90 30 min · 418 flights
- Sundays80% on time · p90 35 min · 420 flights
- Fridays77% on time · p90 40 min · 423 flights
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