Route · GEG → SMF · 2020–2025 BTS data
Spokane to Sacramento
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GEG to SMF (Spokane to Sacramento) ranks #3448 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.9%
- On-time
- +5.9 pts
- vs US avg
- 56 min
- Delay when late
- 2,685
- Flights
- #3448 of 4927
- Corpus placement
Cancelled
0.1%
Best Month
Mar 2025 95%
Worst Month
Oct 2025 82%
Distance
649 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 46 | 5 | 0 | 0 | WN |
| Nov 2025 | 48 | 6 | 0 | 0 | WN |
| Oct 2025 | 57 | 10 | 0 | 0 | WN |
| Sep 2025 | 56 | 8 | 1 | 0 | WN |
| Aug 2025 | 60 | 8 | 0 | 0 | WN |
| Jul 2025 | 84 | 14 | 0 | 0 | WN |
| Jun 2025 | 77 | 13 | 0 | 0 | WN |
| May 2025 | 56 | 7 | 0 | 0 | WN |
| Apr 2025 | 56 | 9 | 0 | 0 | WN |
| Mar 2025 | 55 | 3 | 0 | 0 | WN |
| Feb 2025 | 43 | 5 | 0 | 0 | WN |
| Jan 2025 | 40 | 9 | 0 | 0 | WN |
| Dec 2024 | 46 | 15 | 0 | 0 | WN |
| Nov 2024 | 48 | 4 | 0 | 0 | WN |
| Oct 2024 | 49 | 3 | 0 | 0 | WN |
| Sep 2024 | 56 | 4 | 0 | 0 | WN |
| Aug 2024 | 57 | 5 | 0 | 0 | WN |
| Jul 2024 | 58 | 8 | 0 | 0 | WN |
| Jun 2024 | 55 | 6 | 0 | 0 | WN |
| May 2024 | 57 | 5 | 0 | 0 | WN |
| Apr 2024 | 56 | 7 | 0 | 0 | WN |
| Mar 2024 | 52 | 8 | 0 | 0 | WN |
| Jan 2024 | 38 | 8 | 0 | 0 | WN |
| Dec 2023 | 65 | 8 | 0 | 0 | WN |
GEG–SMF seasonal on-time pattern
Best: February (91.6%) · weakest: December (73.4%)
Strongest calendar month
February
91.6% on-time · ~48 flights/mo
Busiest calendar month
July
~65 flights/mo avg
Weakest calendar month
December
73.4% on-time · ~52 flights/mo
Cancellation Rate
0.1%
1 of 1,315 flights
Diversion Rate
0.0%
0 of 1,315 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GEG - Spokane
Full on-time, delay-cause, and seasonal performance for Spokane, WA.
GEG on-time profileSMF - Sacramento
Full on-time, delay-cause, and seasonal performance for Sacramento, CA.
SMF on-time profileCompare the two airports
See GEG and SMF side by side on delays, cancellations, and reliability.
Compare GEG vs SMFOrigin-hub reliability standing
Mid-pack among GEG departures
From GEG, this corridor sits with 6 other 75–85% on-time routes out of 18 tracked departures, not the hub's reliability leaders (12 at ≥85%) and not the softest ( 0 below 75%). Destination: Sacramento · fleet on-time rank #1255 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to GEG–SMF.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About GEG to SMF
Bureau of Transportation Statistics records show Spokane to Sacramento (GEG to SMF) running a 84.9% on-time rate over 2,685 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 56.3 minutes. The 649-mile corridor is served by 1 carrier, and over the last 24 months 0.1% of 1,315 flights were cancelled, 0.0% diverted.
Monthly performance varies moderately here: Mar 2025 was the strongest month at 95% on-time versus Oct 2025 at 82%, a 12-point difference.
On the multi-year calendar, GEG–SMF peaks in February at 91.6% on-time while July carries the heaviest traffic (~65 flights per month) ; the softest month is December at 73.4%, a 18.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does GEG to SMF rank among US routes by traffic? ▼
How often are flights delayed from GEG to SMF? ▼
What is the cancellation rate for GEG to SMF? ▼
How far is the flight from GEG to SMF? ▼
When is the best time to fly from GEG to SMF? ▼
Airports on this route
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 GEG–SMF data
GEG–SMF runs 5.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare GEG and SMF airport profiles: delay causes and top routes differ even on the same corridor. GEG airport
- If your dates flex, February (91.6% on-time) beats December (73.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.9% 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.
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.