Route · PDX → GEG · 2020–2025 BTS data
Portland to Spokane
The PDX–GEG corridor (Portland, OR → Spokane, WA) runs ahead of the national average, served by 8 carriers across roughly 279 miles.
Data updated 2026-06-13
- 87.4%
- On-time
- +8.4 pts
- vs US avg
- 59 min
- Delay when late
- 3,906
- Flights
Cancelled
0.9%
Best Month
Apr 2024 92%
Worst Month
May 2025 74%
Distance
279 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 113 | 21 | 2 | 0 | AS,OO |
| Nov 2025 | 94 | 10 | 1 | 0 | OO,AS |
| Oct 2025 | 88 | 16 | 1 | 0 | AS,OO |
| Sep 2025 | 88 | 13 | 0 | 0 | OO,AS |
| Aug 2025 | 72 | 7 | 0 | 0 | OO,AS |
| Jul 2025 | 58 | 6 | 0 | 0 | AS,OO |
| Jun 2025 | 68 | 17 | 0 | 0 | AS,OO |
| May 2025 | 77 | 20 | 0 | 0 | AS,OO |
| Apr 2025 | 35 | 3 | 0 | 0 | OO |
| Feb 2025 | 36 | 3 | 1 | 0 | OO |
| Jan 2025 | 49 | 3 | 0 | 0 | OO |
| Dec 2024 | 31 | 4 | 0 | 0 | OO |
| Oct 2024 | 31 | 8 | 0 | 0 | OO |
| May 2024 | 54 | 8 | 0 | 0 | OO |
| Apr 2024 | 59 | 5 | 0 | 0 | OO |
| Mar 2024 | 40 | 8 | 0 | 0 | OO |
| Feb 2024 | 30 | 6 | 0 | 0 | OO |
| Jan 2024 | 50 | 8 | 6 | 0 | OO |
| Dec 2023 | 44 | 9 | 0 | 1 | OO |
| Nov 2023 | 78 | 10 | 0 | 0 | OO |
| Oct 2023 | 54 | 8 | 0 | 1 | OO |
| Jun 2023 | 60 | 11 | 0 | 1 | OO |
| May 2023 | 64 | 12 | 0 | 0 | OO |
| Feb 2023 | 32 | 9 | 1 | 0 | AS,OO |
Cancellation Rate
0.9%
12 of 1,405 flights
Diversion Rate
0.2%
3 of 1,405 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PDX - Portland
Full on-time, delay-cause, and seasonal performance for Portland, OR.
Origin airport →GEG - Spokane
Full on-time, delay-cause, and seasonal performance for Spokane, WA.
Destination airport →Compare the two airports
See PDX and GEG side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PDX–GEG.
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What the Data Says About PDX to GEG
Portland to Spokane (PDX to GEG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.4% on-time rate across 3,906 flights, with delays that do happen averaging 58.9 minutes. The corridor runs roughly 279 miles and is served by 8 carriers. Over the most recent 24 months, 12 of 1,405 flights were cancelled (0.9%) and 3 diverted (0.2%).
The monthly split is wide on this route: Apr 2024 posted the strongest performance at 92% on-time, while May 2025 came in at just 74% - a 18-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.