Columbia (COU) to Chicago (ORD): On-Time Performance
Data through May 2026
Columbia (COU) to Chicago (ORD) has an unusually high scrub rate — 3.2% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 73% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 75% of the time.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 5.0
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 315 mi
Best airline from COU to ORD
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 75% | 20 min | 2.5% | 1,809 |
| SkyWest Airlines | 67% | 37 min | 4.9% | 694 |
Monthly on-time trend
Best time to fly from COU to ORD
Aim for departures around 1 p.m. (92% on-time); avoid 7 p.m. departures (50%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 23 min |
| Tuesday | 71% | 30 min |
| Wednesday | 76% | 16 min |
| Thursday | 73% | 30 min |
| Friday | 71% | 23 min |
| Saturdaybest | 77% | 18 min |
| Sunday | 69% | 31 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations24%
- National airspace system21%
- Weather12%
Frequently asked questions
- How often are flights from COU to ORD delayed?
- 27% of COU–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 COU to ORD?
- Envoy Air has the best on-time record on this route at 75%, based on 1,809 flights. 2 airlines flew COU–ORD frequently enough to compare in this period.
- What is the best time of day to fly from COU to ORD?
- Departures around 1 p.m. have the best record (92% on-time), while departures around 7 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 COU to ORD?
- The scheduled COU–ORD flight time averages 1h 32m over 315 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are COU to ORD flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from COU to ORD?
- July 2024 was the roughest month in this dataset, with only 57% of arrivals on time. The best was May 2025 at 94%. If your dates are flexible, that 38-point gap is worth planning around.
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Based on 2,503 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.