Best Time to Fly CID to ORD: On-Time Stats by Hour & Airline
The Eastern Iowa → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
2,755 flights were scheduled from Cedar Rapids/Iowa City (CID) to Chicago (ORD) in the last 12 months, and 72.9% of those that flew arrived on time, 4.7 points below the US average of 77.6%.
American Airlines was the most punctual of the 5 airlines on the route at 85.0%, while SkyWest Airlines trailed at 65.6%.
September has been the best month (83% on time) and Friday the weakest day of the week (67%).
4.0% of flights were cancelled, versus 1.8% nationally.
CID to ORD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 85.0% | 135 min | 6.4% | 157 |
| Envoy Air | 78.5% | 78 min | 2.8% | 915 |
| United Airlines | 75.5% | 79 min | 2.0% | 487 |
| Republic Airways | 66.9% | 79 min | 6.2% | 354 |
| SkyWest Airlines | 65.6% | 112 min | 4.9% | 841 |
| PSA Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CID to ORD
On-time arrival % by scheduled departure hour (local time), 5,010 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 87.2% | 3.1% | 194 |
| 6am–7am | 81.8% | 2.8% | 953 |
| 7am–8am | 85.3% | 3.2% | 190 |
| 8am–9am | 76.9% | 3.0% | 705 |
| 9am–10am | 63.7% | 6.4% | 109 |
| 10am–11am | 75.0% | 1.6% | 126 |
| 11am–12pm | 71.9% | 1.9% | 917 |
| 12pm–1pm | 80.0% | 1.4% | 71 |
| 1pm–2pm | 71.9% | 3.2% | 158 |
| 2pm–3pm | 69.6% | 2.8% | 255 |
| 3pm–4pm | 71.7% | 2.1% | 379 |
| 4pm–5pm | 73.9% | 4.2% | 96 |
| 5pm–6pm | 59.3% | 2.6% | 232 |
| 6pm–7pm | 62.6% | 5.2% | 514 |
| 7pm–8pm | 57.8% | 7.8% | 77 |
| 8pm–9pm | Limited data | 32 | |
| 9pm–10pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CID to ORD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 62.3% | -12.8 pts | 14.8% | 81 |
| Christmas & New Year (Dec 20 - Jan 3) | 72.9% | -2.3 pts | 10.3% | 156 |
| Summer peak (Jun 15 - Aug 15) | 68.0% | -7.1 pts | 2.9% | 861 |
| All other days | 75.1% | — | 2.6% | 3,912 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).