Best Time to Fly GEG to SJC: On-Time Stats by Hour & Airline
Spokane International → Norman Y. Mineta San Jose International
Data through July 2026 · Last updated October 18, 2026
238 flights were scheduled from Spokane (GEG) to San Jose (SJC) in the last 12 months, and 81.4% of those that flew arrived on time, 3.8 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (92% on time) and Monday the weakest day of the week (79%).
0.4% of flights were cancelled, versus 1.8% nationally.
GEG to SJC 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 | 81.4% | 37 min | 0.4% | 238 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GEG to SJC
On-time arrival % by scheduled departure hour (local time), 554 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 10am–11am | 85.9% | 0.0% | 99 |
| 11am–12pm | 89.9% | 0.6% | 159 |
| 12pm–1pm | 79.8% | 0.0% | 178 |
| 1pm–2pm | 77.5% | 0.0% | 102 |
| 2pm–3pm | Limited data | 9 | |
| 3pm–4pm | Limited data | 5 | |
| 4pm–5pm | Limited data | 1 | |
| 5pm–6pm | 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 GEG to SJC
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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 77.1% | -8.4 pts | 0.0% | 109 |
| All other days | 85.5% | — | 0.2% | 407 |
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).