Spokane (GEG) to Chicago (ORD): On-Time Performance
Data through May 2026
Spokane (GEG) to Chicago (ORD) effectively runs on two schedules. In June 2024, 97% of arrivals were on time; in August 2025 that fell to 53% — a 44-point seasonal swing. Across the full period the route averages 70% on-time against a national 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 2.1
- last 12 months
- Duration
- 3h 45m
- scheduled
- Distance
- 1,498 mi
Best airline from GEG to ORD
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 75% | 15 min | 0.9% | 557 |
| American Airlines | 61% | 37 min | 0.9% | 347 |
Monthly on-time trend
Best time to fly from GEG to ORD
Aim for departures around 11 p.m. (90% on-time); avoid 12 p.m. departures (46%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 64% | 30 min |
| Tuesday | 74% | 15 min |
| Wednesday | 68% | 22 min |
| Thursdaybest | 76% | 19 min |
| Friday | 68% | 27 min |
| Saturday | 68% | 20 min |
| Sunday | 71% | 29 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations41%
- National airspace system13%
- Weather11%
Frequently asked questions
- How often are flights from GEG to ORD delayed?
- 30% of GEG–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 24 minutes.
- Which airline is most reliable from GEG to ORD?
- SkyWest Airlines has the best on-time record on this route at 75%, based on 557 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 (90% 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 45m over 1,498 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are GEG to ORD flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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 June 2024 at 97%. If your dates are flexible, that 44-point gap is worth planning around.
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Based on 921 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.