Best Time to Fly GEG to ORD: On-Time Stats by Hour & Airline
Spokane International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
714 flights were scheduled from Spokane (GEG) to Chicago (ORD) in the last 12 months, and 65.0% of those that flew arrived on time, 12.6 points below the US average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 69.2%, while American Airlines trailed at 60.7%.
January has been the best month (80% on time) and Wednesday the weakest day of the week (61%).
1.5% of flights were cancelled, versus 1.8% nationally.
GEG to ORD 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 | 69.2% | 50 min | 2.2% | 361 |
| American Airlines | 60.7% | 100 min | 0.8% | 351 |
| United Airlines | Limited data | 2 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly GEG to ORD
On-time arrival % by scheduled departure hour (local time), 983 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 88.6% | 4.3% | 46 |
| 7am–8am | 80.8% | 1.1% | 182 |
| 8am–9am | Limited data | 1 | |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 64.0% | 1.3% | 302 |
| 12pm–1pm | 46.1% | 1.5% | 67 |
| 1pm–2pm | 59.6% | 0.8% | 234 |
| 2pm–3pm | 64.2% | 1.5% | 68 |
| 11pm–12am | 90.2% | 0.0% | 82 |
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 ORD
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) | 82.0% | +11.8 pts | 0.0% | 50 |
| Summer peak (Jun 15 - Aug 15) | 62.2% | -8.0 pts | 1.4% | 294 |
| All other days | 70.2% | — | 1.0% | 626 |
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).