Route
SMF → GEG
Sacramento International Airport Spokane International Airport
How punctual is this route?
- On-time arrivals
- 75.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 608
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 75%
- Airline (crew, maintenance, cleaning) 21%
- Air traffic control & airport 3%
- Security 1%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.1% | 56 |
| October 2025 | 71.9% | 57 |
| November 2025 | 87.5% | 48 |
| December 2025 | 67.4% | 46 |
| January 2026 | 92.5% | 40 |
| February 2026 | 79.1% | 43 |
| March 2026 | 89.8% | 49 |
| April 2026 | 68.1% | 47 |
| May 2026 | 71.4% | 49 |
| June 2026 | 61.1% | 54 |
| July 2026 | 82.8% | 58 |
| August 2026 | 62.3% | 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 | 75.8% | 0.0% | 56 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1573
33% late · 63 flights
-
WN950
40% late · 58 flights
-
WN1199
15% late · 55 flights
-
WN2805
44% late · 52 flights
-
WN3675
21% late · 33 flights
-
WN1937
9% late · 32 flights
-
WN2985
26% late · 31 flights
-
WN962
0% late · 31 flights
-
WN302
19% late · 27 flights
-
WN1278
13% late · 23 flights
-
WN1143
33% late · 21 flights
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