PlainFlights

SEA vs EUG - 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
EUG

Eugene, OR

Eugene, Oregon

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Key Performance Metrics

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

Metric SEA EUG
On-Time Rate (higher is better) 83.1% 84.1%
Avg Delay (lower is better) 63.4 min 77.7 min
Delay Rate (lower is better) 16.9% 15.9%
Cancellation Rate (lower is better) 0.73% 0.82%
Total Flights 1,871,155 90,806
Delayed Flights 315,819 14,475
Cancelled Flights 13,720 746
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%

EUG - Eugene, OR

Carrier 46.7%
Late Aircraft 32.8%
NAS 13.4%
Weather 7.0%
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 EUG

Route Flights On-Time
EUG → SEA
Seattle
11,740 89.2%
SEA → EUG
Eugene
11,739 86.4%
EUG → DEN
Denver
5,850 84.2%
DEN → EUG
Eugene
5,846 78.1%
SFO → EUG
Eugene
5,745 85.2%
EUG → SFO
San Francisco
5,739 83.9%

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.