Route
GEG → SMF
Spokane International Airport Sacramento International Airport
How punctual is this route?
- On-time arrivals
- 86.0%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 608
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 85.5% | 56 |
| October 2025 | 82.5% | 57 |
| November 2025 | 87.5% | 48 |
| December 2025 | 89.1% | 46 |
| January 2026 | 92.5% | 40 |
| February 2026 | 93.0% | 43 |
| March 2026 | 87.8% | 49 |
| April 2026 | 87.2% | 47 |
| May 2026 | 91.7% | 49 |
| June 2026 | 79.6% | 54 |
| July 2026 | 82.8% | 58 |
| August 2026 | 78.3% | 61 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 608 | 86.0% | 0.3% | 52 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN768
3% late · 63 flights
-
WN2234
0% late · 57 flights
-
WN1890
37% late · 52 flights
-
WN2859
0% late · 42 flights
-
WN367
6% late · 36 flights
-
WN2866
3% late · 33 flights
-
WN2817
26% late · 31 flights
-
WN2863
3% late · 31 flights
-
WN2686
33% late · 28 flights
-
WN2235
25% late · 24 flights
-
WN1652
36% late · 23 flights
-
WN2504
0% late · 21 flights
-
WN2865
38% late · 21 flights
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