Historical on-time performance
Oklahoma City to Seattle
1,519 miData through May 2026Source: US DOT · BTS
Flights on OKC–SEA arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 312 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 timep9020 minCancel0.3%Flights312
Why flights run late
Delay causes
- Airline25%
- Weather8%
- Air traffic (NAS)29%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline100%
- Weather0%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 1 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 OKC → SEA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 84% on time.
- Saturdays84% on time · p90 20 min · 129 flights · limited
- Wednesdays83% on time · p90 20 min · 162 flights · limited
- Mondays81% on time · p90 25 min · 161 flights · limited
- Thursdays80% on time · p90 25 min · 161 flights · limited
- Tuesdays80% on time · p90 25 min · 127 flights · limited
- Fridays78% on time · p90 30 min · 162 flights · limited
- Sundays77% on time · p90 25 min · 162 flights · limited
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