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Route · OKC → SEA · 2020–2025 BTS data

Oklahoma City to Seattle

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), OKC to SEA (Oklahoma City to Seattle) ranks #4292 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.5%
On-time
+3.5 pts
vs US avg
48 min
Delay when late
1,291
Flights
#4292 of 4927
Corpus placement

Cancelled

0.5%

Best Month

Aug 2025 82%

Worst Month

Aug 2025 82%

Distance

1,519 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 9 0 0 AS
Oct 2025 31 5 0 0 AS
Sep 2025 30 5 0 0 AS
Aug 2025 51 9 1 0 AS
Jul 2025 47 13 0 0 AS
Jun 2025 30 8 0 0 AS
May 2025 31 8 0 0 AS
Apr 2025 30 2 0 0 AS
Oct 2024 31 13 0 0 AS
Sep 2024 30 10 0 0 AS
Aug 2024 31 7 0 0 AS
Jul 2024 31 7 0 0 AS
Jun 2024 30 9 0 0 AS
May 2024 31 11 0 0 AS
Apr 2024 30 3 0 0 AS
Mar 2024 31 3 0 0 AS
Sep 2023 30 2 0 0 AS
Aug 2023 31 6 0 0 AS
Jul 2023 31 2 0 0 AS
Jun 2023 30 6 0 0 AS
May 2023 31 6 0 0 AS
Apr 2023 30 9 0 0 AS
Dec 2022 31 13 3 0 AS
Oct 2022 31 2 0 0 AS

OKC–SEA seasonal on-time pattern

Best: January (90.0%) · weakest: December (64.5%)

60%70%80%90%100% JanMarAprMayJunJulAugSepOctDec 64.5%

Strongest calendar month

January

90.0% on-time · ~30 flights/mo

Busiest calendar month

August

~35 flights/mo avg

Weakest calendar month

December

64.5% on-time · ~31 flights/mo

Cancellation Rate

0.5%

4 of 771 flights

Diversion Rate

0.0%

0 of 771 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

OKC - Oklahoma City

Full on-time, delay-cause, and seasonal performance for Oklahoma City, OK.

OKC on-time profile

SEA - Seattle

Full on-time, delay-cause, and seasonal performance for Seattle, WA.

SEA on-time profile

Compare the two airports

See OKC and SEA side by side on delays, cancellations, and reliability.

Compare OKC vs SEA

Origin-hub reliability standing

Mid-pack among OKC departures

From OKC, this corridor sits with 13 other 75–85% on-time routes out of 21 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 0 below 75%). Destination: Seattle · fleet on-time rank #2158 of 4927.

What the Data Says About OKC to SEA

Bureau of Transportation Statistics records show Oklahoma City to Seattle (OKC to SEA) running a 82.5% on-time rate over 1,291 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 48.4 minutes. The 1,519-mile corridor is served by 2 carriers, and over the last 24 months 0.5% of 771 flights were cancelled, 0.0% diverted.

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, OKC–SEA peaks in January at 90.0% on-time while August carries the heaviest traffic (~35 flights per month) ; the softest month is December at 64.5%, a 25.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does OKC to SEA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, OKC to SEA ranks #4292 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from OKC to SEA? ▼
Flights from Oklahoma City to Seattle have a 82.5% on-time rate based on 1,291 flights. The average delay is 48.4 minutes. The best recent month was Aug 2025 with 82% on-time.
What is the cancellation rate for OKC to SEA? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (4 of 771 flights) and 0.0% were diverted.
How far is the flight from OKC to SEA? ▼
The flight distance from Oklahoma City (OKC) to Seattle (SEA) is approximately 1,519 miles. This route is served by 2 carriers.

Airports on this route

OKC Airport

Oklahoma City
SEA Airport

Seattle
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using OKC–SEA data

OKC–SEA runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare OKC and SEA airport profiles: delay causes and top routes differ even on the same corridor. OKC airport
  • If your dates flex, January (90.0% on-time) beats December (64.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.