OKC to SEA flight delays & on-time performance
Nonstop flights from OKC Will Rogers World Airport to Seattle–Tacoma International Airport · 1,519 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at OKC or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Oklahoma City (OKC) to Seattle (SEA) arrived on time 87% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 1% arrived an hour or more late.
- Alaska Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (96% on time); around 3pm did worst (84%).
- Monday was the most reliable day to fly (94% on time) and Sunday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from OKC to SEA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Alaska Airlines | 87% | 0.5% | 6 min | 1.4% | 425 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am96%72 flights
- 2pm86%286 flights
- 3pm84%67 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday94%0.0% cancelled
- Tuesday81%0.0% cancelled
- Wednesday89%0.0% cancelled
- Thursday92%0.0% cancelled
- Friday84%1.6% cancelled
- Saturday89%0.0% cancelled
- Sunday80%1.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft41%
- Air traffic control & airport congestion28%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
OKC to SEA: common questions
- How often are OKC to SEA flights on time?
- 87% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Oklahoma City to Seattle cancelled?
- 0.5% of scheduled flights were cancelled (2 of 425).
- How long are typical delays?
- Across all flights the average arrival delay was 6 min (early arrivals count as zero). Flights that were late arrived 37 min behind schedule on average, and 1.4% of flights were an hour or more late.
- How long is taxi time at OKC?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to OKC — 87% on time
More flights from Oklahoma City
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: OKC → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.