Seattle (SEA) to Oklahoma City (OKC): On-Time Performance
Data through July 2026
Seattle (SEA) to Oklahoma City (OKC) effectively runs on two schedules. In October 2024, 97% of arrivals were on time; in July 2025 that fell to 69% — a 28-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 1.2
- last 12 months
- Duration
- 3h 39m
- scheduled
- Distance
- 1,519 mi
Monthly on-time trend
Best time to fly from SEA to OKC
Aim for departures around 7 a.m. (95% on-time); avoid 6 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 88% | 7 min |
| Tuesday | 82% | 8 min |
| Wednesday | 88% | 5 min |
| Thursday | 82% | 9 min |
| Friday | 87% | 8 min |
| Saturday | 88% | 5 min |
| Sunday | 86% | 6 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft25%
- Airline operations46%
- National airspace system26%
- Weather3%
Frequently asked questions
- How often are flights from SEA to OKC delayed?
- 14% of SEA–OKC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 7 minutes.
- What is the best time of day to fly from SEA to OKC?
- Departures around 7 a.m. have the best record (95% on-time), while departures around 6 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SEA to OKC?
- The scheduled SEA–OKC flight time averages 3h 39m over 1,519 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SEA to OKC flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SEA to OKC?
- July 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was October 2024 at 97%. If your dates are flexible, that 28-point gap is worth planning around.
Explore related pages
More routes from SEA
Other ways to fly to Oklahoma City (OKC)
Related guides
Based on 809 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.