Best Time to Fly ORD to GEG: On-Time Stats by Hour & Airline
Chicago O'Hare International → Spokane International
Data through July 2026 · Last updated October 18, 2026
714 flights were scheduled from Chicago (ORD) to Spokane (GEG) in the last 12 months, and 65.1% of those that flew arrived on time, 12.5 points below the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 65.8%, while American Airlines trailed at 64.2%.
June has been the best month (83% on time) and Sunday the weakest day of the week (63%).
1.5% of flights were cancelled, versus 1.8% nationally.
ORD 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 |
|---|---|---|---|---|
| SkyWest Airlines | 65.8% | 64 min | 2.2% | 360 |
| American Airlines | 64.2% | 81 min | 0.8% | 352 |
| United Airlines | Limited data | 2 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to GEG
On-time arrival % by scheduled departure hour (local time), 984 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 92.2% | 0.0% | 90 |
| 9am–10am | 67.3% | 1.1% | 267 |
| 10am–11am | 69.3% | 0.8% | 246 |
| 11am–12pm | 79.2% | 1.4% | 73 |
| 3pm–4pm | Limited data | 6 | |
| 4pm–5pm | 50.0% | 3.6% | 56 |
| 5pm–6pm | Limited data | 19 | |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | 60.1% | 2.4% | 168 |
| 8pm–9pm | 52.7% | 0.0% | 58 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD 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 | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 54.2% | -10.2 pts | 0.0% | 50 |
| Summer peak (Jun 15 - Aug 15) | 76.9% | +12.5 pts | 1.4% | 294 |
| All other days | 64.4% | — | 1.0% | 627 |
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).