Historical on-time performance
Milwaukee to Seattle
1,694 miData through Dec 2025Source: US DOT · BTS
Flights on MKE–SEA arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 429 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time82%Medianon timep9025 minCancel0.5%Flights429
Why flights run late
Delay causes
- Airline41%
- Weather5%
- Air traffic (NAS)40%
- Late aircraft15%
- 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 MKE → SEA
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 83% to 87% on time.
- Mornings87% on time · p90 15 min · 298 flights
- Afternoons84% on time · p90 20 min · 935 flights
- Evenings83% on time · p90 20 min · 69 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 84% to 85% on time.
- Thursdays85% on time · p90 20 min · 213 flights
- Sundays85% on time · p90 20 min · 214 flights
- Mondays85% on time · p90 20 min · 200 flights
- Tuesdays85% on time · p90 20 min · 183 flights · limited
- Saturdays84% on time · p90 20 min · 162 flights · limited
- Fridays84% on time · p90 25 min · 199 flights · limited
- Wednesdays84% on time · p90 25 min · 179 flights · limited
Advertisement
Keep exploring