Best Time to Fly GEG to OAK: On-Time Stats by Hour & Airline
Spokane International → Oakland International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 90.3% of Spokane (GEG) to Oakland (OAK) flights arrived on time (381 scheduled flights). That is 12.7 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
January has been the best month (96% on time) and Monday the weakest day of the week (84%).
0.0% of flights were cancelled, versus 1.8% nationally.
GEG to OAK 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 | 90.3% | 38 min | 0.0% | 381 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GEG to OAK
On-time arrival % by scheduled departure hour (local time), 992 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.7% | 0.0% | 162 |
| 6am–7am | 95.8% | 0.0% | 95 |
| 7am–8am | Limited data | 14 | |
| 8am–9am | Limited data | 1 | |
| 9am–10am | 93.2% | 0.0% | 133 |
| 10am–11am | 89.5% | 0.0% | 218 |
| 11am–12pm | Limited data | 12 | |
| 12pm–1pm | 84.4% | 0.0% | 64 |
| 2pm–3pm | Limited data | 12 | |
| 3pm–4pm | 85.5% | 0.0% | 55 |
| 4pm–5pm | 88.5% | 0.0% | 122 |
| 5pm–6pm | 71.8% | 0.0% | 78 |
| 6pm–7pm | Limited data | 26 | |
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 OAK
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 | 19 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -14.3 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 75.5% | -16.6 pts | 1.2% | 169 |
| All other days | 92.1% | — | 0.0% | 759 |
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).