Best Time to Fly DEN to CID: On-Time Stats by Hour & Airline
Denver International → The Eastern Iowa
Data through July 2026 · Last updated October 18, 2026
1,128 flights were scheduled from Denver (DEN) to Cedar Rapids/Iowa City (CID) in the last 12 months, and 80.2% of those that flew arrived on time, 2.6 points above the US average of 77.6%.
Frontier Airlines was the most punctual of the 3 airlines on the route at 82.4%, while SkyWest Airlines trailed at 79.7%.
October has been the best month (89% on time) and Thursday the weakest day of the week (78%).
0.6% of flights were cancelled, versus 1.8% nationally.
DEN to CID 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 |
|---|---|---|---|---|
| Frontier Airlines | 82.4% | 61 min | 1.2% | 167 |
| United Airlines | 79.9% | 83 min | 0.4% | 727 |
| SkyWest Airlines | 79.7% | 62 min | 0.8% | 234 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to CID
On-time arrival % by scheduled departure hour (local time), 2,252 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 6 | |
| 9am–10am | Limited data | 6 | |
| 10am–11am | 80.9% | 1.1% | 281 |
| 11am–12pm | 86.2% | 0.2% | 553 |
| 12pm–1pm | Limited data | 19 | |
| 1pm–2pm | 83.4% | 0.6% | 170 |
| 2pm–3pm | 85.0% | 0.0% | 94 |
| 3pm–4pm | 66.7% | 2.7% | 37 |
| 4pm–5pm | 80.3% | 1.1% | 185 |
| 5pm–6pm | 71.5% | 0.7% | 553 |
| 6pm–7pm | 68.8% | 1.2% | 160 |
| 7pm–8pm | Limited data | 19 | |
| 8pm–9pm | 72.0% | 2.0% | 102 |
| 9pm–10pm | 95.5% | 0.0% | 67 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to CID
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) | 77.3% | -4.0 pts | 2.2% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.3% | -4.0 pts | 3.8% | 79 |
| Summer peak (Jun 15 - Aug 15) | 71.1% | -10.2 pts | 0.7% | 461 |
| All other days | 81.3% | — | 0.6% | 1,667 |
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).