Spokane (GEG) to Chicago (ORD): On-Time Performance
Data through July 2026
Spokane (GEG) to Chicago (ORD) effectively runs on two schedules. In August 2024, 96% of arrivals were on time; in August 2025 that fell to 53% — a 44-point seasonal swing. Across the full period the route averages 68% on-time against a national 78%.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 2.0
- last 12 months
- Duration
- 3h 46m
- scheduled
- Distance
- 1,498 mi
Best airline from GEG to ORD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 72% | 16 min | 1.4% | 588 |
| American Airlines | 60% | 38 min | 1.0% | 408 |
Monthly on-time trend
Best time to fly from GEG to ORD
Aim for departures around 11 p.m. (88% on-time); avoid 12 p.m. departures (46%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 64% | 36 min |
| Tuesday | 72% | 15 min |
| Wednesday | 64% | 26 min |
| Thursdaybest | 76% | 19 min |
| Friday | 66% | 28 min |
| Saturday | 66% | 21 min |
| Sunday | 68% | 30 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations42%
- National airspace system14%
- Weather12%
Frequently asked questions
- How often are flights from GEG to ORD delayed?
- 32% of GEG–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 25 minutes.
- Which airline is most reliable from GEG to ORD?
- SkyWest Airlines has the best on-time record on this route at 72%, based on 588 flights. 2 airlines flew GEG–ORD frequently enough to compare in this period.
- What is the best time of day to fly from GEG to ORD?
- Departures around 11 p.m. have the best record (88% on-time), while departures around 12 p.m. have the worst (46%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from GEG to ORD?
- The scheduled GEG–ORD flight time averages 3h 46m over 1,498 miles. Actual arrival times vary — flights on this route land 15+ minutes late 32% of the time.
- How often are GEG to ORD flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from GEG to ORD?
- August 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was August 2024 at 96%. If your dates are flexible, that 44-point gap is worth planning around.
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Based on 1,013 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.