Historical on-time performance
Seattle to Bozeman
543 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–BZN arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 1,021 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time91%Medianon timep9010 minCancel0.0%Flights502
- Alaska AirlinesOn-time64%Median5 minp9045 minCancel1.2%Flights519
Why flights run late
Delay causes
- Airline42%
- Weather8%
- Air traffic (NAS)15%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SEA → BZN
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 91% on time.
- Evenings91% on time · p90 10 min · 226 flights
- Mornings88% on time · p90 15 min · 340 flights
- Middays75% on time · p90 35 min · 1,224 flights
- Overnights72% on time · p90 35 min · 474 flights
- Afternoons70% on time · p90 40 min · 293 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 84% on time.
- Tuesdays84% on time · p90 25 min · 366 flights
- Wednesdays82% on time · p90 20 min · 363 flights
- Saturdays78% on time · p90 35 min · 330 flights
- Sundays76% on time · p90 40 min · 380 flights
- Mondays75% on time · p90 35 min · 377 flights
- Thursdays74% on time · p90 30 min · 368 flights
- Fridays69% on time · p90 40 min · 373 flights
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