PlainFlights

PDX vs GEG - 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
PDX

Portland, OR

Portland, Oregon

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Airport B
GEG

Spokane, WA

Spokane, Washington

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Key Performance Metrics

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

Metric PDX GEG
On-Time Rate (higher is better) 84.4% 84.4%
Avg Delay (lower is better) 66.7 min 67.4 min
Delay Rate (lower is better) 15.6% 15.6%
Cancellation Rate (lower is better) 0.83% 0.63%
Total Flights 661,488 205,595
Delayed Flights 103,008 32,016
Cancelled Flights 5,511 1,303
Top Delay Cause Carrier Carrier

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

Delay Cause Breakdown

PDX - Portland, OR

Carrier 38.4%
Late Aircraft 36.9%
NAS 20.2%
Weather 4.3%
Security 0.2%

GEG - Spokane, WA

Carrier 40.0%
Late Aircraft 33.6%
NAS 17.3%
Weather 8.8%
Security 0.3%

Top Routes

Top routes from PDX

Route Flights On-Time
PDX → SEA
Seattle
36,148 87.7%
SEA → PDX
Portland
35,578 83.7%
LAX → PDX
Portland
25,109 86.5%
PDX → LAX
Los Angeles
24,956 87.7%
PDX → DEN
Denver
23,123 84.1%
DEN → PDX
Portland
23,121 77.1%

Top routes from GEG

Route Flights On-Time
GEG → SEA
Seattle
31,745 86.5%
SEA → GEG
Spokane
31,686 83.3%
DEN → GEG
Spokane
10,861 76.8%
GEG → DEN
Denver
10,835 85%
SLC → GEG
Spokane
9,439 87.4%
GEG → SLC
Salt Lake City
9,437 89%

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.