Best Time to Fly SMF to GEG: On-Time Stats by Hour & Airline
Sacramento International → Spokane International
Data through July 2026 · Last updated October 18, 2026
607 flights were scheduled from Sacramento (SMF) to Spokane (GEG) in the last 12 months, and 77.4% of those that flew arrived on time, in line with the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (92% on time) and Friday the weakest day of the week (76%).
0.0% of flights were cancelled, versus 1.8% nationally.
SMF to GEG on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 77.4% | 50 min | 0.0% | 607 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SMF to GEG
On-time arrival % by scheduled departure hour (local time), 1,275 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 25 | |
| 7am–8am | 93.9% | 0.0% | 49 |
| 8am–9am | 93.0% | 0.0% | 57 |
| 9am–10am | 96.2% | 0.0% | 131 |
| 10am–11am | 88.6% | 0.0% | 105 |
| 11am–12pm | 85.9% | 0.0% | 156 |
| 12pm–1pm | 91.7% | 0.0% | 36 |
| 1pm–2pm | 82.9% | 0.0% | 82 |
| 2pm–3pm | 74.7% | 0.0% | 83 |
| 3pm–4pm | 82.0% | 0.0% | 122 |
| 4pm–5pm | Limited data | 13 | |
| 5pm–6pm | Limited data | 2 | |
| 6pm–7pm | Limited data | 23 | |
| 7pm–8pm | 72.6% | 0.0% | 95 |
| 8pm–9pm | 64.5% | 0.0% | 169 |
| 9pm–10pm | 68.2% | 0.0% | 126 |
| 10pm–11pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SMF to GEG
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 69.2% | -14.4 pts | 0.0% | 52 |
| Summer peak (Jun 15 - Aug 15) | 75.5% | -8.1 pts | 0.0% | 274 |
| All other days | 83.6% | — | 0.0% | 923 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).