PlainFlights

SEA vs OKC - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
SEA

Seattle, WA

Seattle, Washington

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Airport B
OKC

Oklahoma City, OK

Oklahoma City, Oklahoma

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric SEA OKC
On-Time Rate (higher is better) 83.1% 82.3%
Avg Delay (lower is better) 63.4 min 75.1 min
Delay Rate (lower is better) 16.9% 17.7%
Cancellation Rate (lower is better) 0.73% 1.04%
Total Flights 1,871,155 248,285
Delayed Flights 315,819 43,919
Cancelled Flights 13,720 2,593
Top Delay Cause Carrier Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

SEA - Seattle, WA

Carrier 44.3%
Late Aircraft 28.6%
NAS 21.0%
Weather 5.8%
Security 0.3%

OKC - Oklahoma City, OK

Carrier 38.0%
Late Aircraft 37.0%
NAS 16.4%
Weather 8.4%
Security 0.2%

Top Routes

Top routes from SEA

Route Flights On-Time
SEA → LAX
Los Angeles
41,859 84%
LAX → SEA
Seattle
41,819 86.2%
SEA → ANC
Anchorage
41,143 77.5%
ANC → SEA
Seattle
41,064 85.8%
PHX → SEA
Seattle
38,561 84.3%
SEA → PHX
Phoenix
38,549 82.3%

Top routes from OKC

Route Flights On-Time
DFW → OKC
Oklahoma City
17,146 77.7%
OKC → DFW
Dallas/Fort Worth
17,138 78.6%
OKC → DEN
Denver
16,301 79.9%
DEN → OKC
Oklahoma City
16,153 75.9%
OKC → ATL
Atlanta
11,553 90.1%
ATL → OKC
Oklahoma City
11,545 85.1%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.