64% of flights from Chicago to Spokane arrived on time over the past 12 months. That is worse than the typical U.S. route. The 11 a.m. departures ran on time 76% of the time; the 9 a.m. ones 65%. Most reliable airline: American Airlines (65%). 14% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for ORD → GEG: when a flight was late, it was under 45 minutes late 49% of the time. About 1 in 8 flights landed an hour or more late, and 1 in 50 three hours or more; 1.6% were cancelled outright.
- On time or early64%
- 15–30 min late11%
- 30–60 min late11%
- 1–2 hours late8.0%
- 2–3 hours late2.0%
- 3+ hours late2.0%
- Diverted0.6%
- Cancelled1.6%
Share of all 697 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 352 | 65% | 1.1% | 0 min | 13.9% | +80 min | American Airlines |
| United Airlines | 345 | 63% | 2.0% | +5 min | 10.1% | +63 min | SkyWest 99%, United Airlines 1% |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at ORD). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | United Airlines |
|---|---|---|
| 9 a.m. | — | 72% |
| 10 a.m. | 68% | — |
| 11 a.m. | 76% | — |
By month
Each calendar month pooled over 2023–2026. Best: June (75%). Worst: August (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 106 | 62% | 1.9% |
| Tuesday | 97 | — | — |
| Wednesday | 97 | — | — |
| Thursday | 98 | — | — |
| Friday | 103 | 66% | 1.9% |
| Saturday | 94 | — | — |
| Sunday | 102 | 59% | 1.0% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 10 · air traffic/airport 1
Month by month
Not enough months with data to draw a trend.
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| AA 677 | 10:30 a.m. | 196 | 61% | 1.5% | +3 min | American Airlines |
| AA 814 | 10:30 a.m. | 120 | 72% | 0.8% | −3 min | American Airlines |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 29, 2025 | 3 | 0% | 0 |
| Dec 26, 2025 | 3 | 0% | 0 |
| Sep 13, 2025 | 3 | 33% | 0 |
| Dec 19, 2025 | 3 | 33% | 0 |
| Dec 22, 2025 | 3 | 33% | 0 |
Questions
How often are flights from ORD to GEG on time?
64% of 697 scheduled flights from Chicago, IL to Spokane, WA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.6% were cancelled.
What is the best time of day to fly ORD to GEG?
Flights scheduled to leave at 11 a.m. were the most reliable (76% on time). The 9 a.m. departures were the least (65%).
Which airline is most on time from ORD to GEG?
American Airlines: 65% of its 352 flights on the route arrived on time. United Airlines: 63%.
What month has the most delays from ORD to GEG?
August (68% on time). The best month is June (75%), over 2023–2026.
Related
- GEG → ORD (return)
- Chicago O'Hare (ORD) delays by hour
- Flights into Spokane (GEG)
- American Airlines on-time record
- United Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.