Columbia (COU) to Chicago (ORD): On-Time Performance
Data through July 2026
Columbia (COU) to Chicago (ORD) has an unusually high scrub rate — 3.3% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 74% land on time, below the national average of 78%.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 24 min
- completed flights
- Cancelled
- 3.3%
- Flights/day
- 5.4
- last 12 months
- Duration
- 1h 33m
- scheduled
- Distance
- 315 mi
Best airline from COU to ORD
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 77% | 19 min | 2.6% | 1,932 |
| SkyWest Airlines | 69% | 36 min | 4.8% | 840 |
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 | 76% | 25 min |
| Tuesday | 73% | 26 min |
| Wednesdaybest | 78% | 16 min |
| Thursday | 75% | 27 min |
| Friday | 73% | 21 min |
| Saturday | 76% | 20 min |
| Sunday | 70% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft42%
- Airline operations25%
- National airspace system20%
- Weather12%
Frequently asked questions
- How often are flights from COU to ORD delayed?
- 26% of COU–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 24 minutes.
- Which airline is most reliable from COU to ORD?
- Envoy Air has the best on-time record on this route at 77%, based on 1,932 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 33m over 315 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are COU to ORD flights cancelled?
- 3.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — 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 2,772 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.