FlightRecord

Chicago (ORD) to Spokane (GEG): On-Time Performance

Data through July 2026

The calendar drives reliability on ORD–GEG. June 2025 flights landed on schedule 85% of the time, but March 2026 dropped to 30% — a gap of 55 points. Across the full period the route averages 67% on-time against a national 78%. Morning departures also hold up better than evening ones (73% vs 59%), which matters most in the rough months.

On-time
67%
arrived <15 min late
Avg delay
24 min
completed flights
Cancelled
1.3%
Flights/day
2.0
last 12 months
Duration
4h 10m
scheduled
Distance
1,498 mi

Best airline from ORD to GEG

2 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
SkyWest Airlinesmost reliable67%21 min1.5%588
American Airlines67%27 min1.0%409

Monthly on-time trend

Monthly on-time percentage for ORD to GEG flights50%75%100%July 2024: 66% on-time (30 flights)66Jul 2024August 2024: 60% on-time (25 flights)60September 2024: 71% on-time (17 flights)71October 2024: 50% on-time (14 flights)50Oct 2024December 2024: 60% on-time (10 flights)60January 2025: 60% on-time (5 flights)60May 2025: 71% on-time (21 flights)71May 2025June 2025: 85% on-time (86 flights)85July 2025: 74% on-time (92 flights)74August 2025: 68% on-time (79 flights)68Aug 2025September 2025: 79% on-time (72 flights)79October 2025: 70% on-time (66 flights)70November 2025: 67% on-time (59 flights)67Nov 2025December 2025: 53% on-time (55 flights)53January 2026: 70% on-time (40 flights)70February 2026: 37% on-time (43 flights)37Feb 2026March 2026: 30% on-time (58 flights)30April 2026: 67% on-time (59 flights)67May 2026: 59% on-time (61 flights)59May 2026June 2026: 80% on-time (60 flights)80July 2026: 83% on-time (62 flights)83

Best time to fly from ORD to GEG

Aim for departures around 8 a.m. (92% on-time); avoid 4 p.m. departures (50%).

On-time percentage by scheduled departure hour, ORD to GEG8 a.m.: 92% on-time (90 flights)89 a.m.: 67% on-time (267 flights)910 a.m.: 69% on-time (246 flights)1011 a.m.: 79% on-time (73 flights)114 p.m.: 50% on-time (56 flights)167 p.m.: 60% on-time (168 flights)198 p.m.: 55% on-time (88 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday66%22 min
Tuesday68%21 min
Wednesday67%21 min
Thursday67%25 min
Friday69%28 min
Saturdaybest72%25 min
Sunday62%23 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft37%
  • Airline operations35%
  • National airspace system18%
  • Weather10%

Frequently asked questions

How often are flights from ORD to GEG delayed?
33% of ORD–GEG 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 24 minutes.
Which airline is most reliable from ORD to GEG?
SkyWest Airlines has the best on-time record on this route at 67%, based on 588 flights. 2 airlines flew ORD–GEG frequently enough to compare in this period.
What is the best time of day to fly from ORD to GEG?
Departures around 8 a.m. have the best record (92% on-time), while departures around 4 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from ORD to GEG?
The scheduled ORD–GEG flight time averages 4h 10m over 1,498 miles. Actual arrival times vary — flights on this route land 15+ minutes late 33% of the time.
How often are ORD to GEG flights cancelled?
1.3% 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 ORD to GEG?
March 2026 was the roughest month in this dataset, with only 30% of arrivals on time. The best was June 2025 at 85%. If your dates are flexible, that 55-point gap is worth planning around.

Based on 1,014 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.