Historical on-time performance
Oklahoma City to Seattle
1,519 miData through Dec 2025Source: US DOT · BTS
Flights on OKC–SEA arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 281 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time79%Medianon timep9025 minCancel0.4%Flights281
Why flights run late
Delay causes
- Airline22%
- Weather7%
- Air traffic (NAS)28%
- Late aircraft42%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly OKC → 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 74% to 78% on time.
- Afternoons78% on time · p90 25 min · 968 flights
- Evenings74% on time · p90 35 min · 53 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Saturdays83% on time · p90 20 min · 126 flights · limited
- Wednesdays82% on time · p90 20 min · 157 flights · limited
- Mondays79% on time · p90 25 min · 162 flights · limited
- Tuesdays78% on time · p90 25 min · 129 flights · limited
- Fridays77% on time · p90 30 min · 161 flights · limited
- Sundays75% on time · p90 25 min · 162 flights · limited
- Thursdays74% on time · p90 30 min · 160 flights · limited
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