Route · DEN → CID · 2020–2025 BTS data
Denver to Cedar Rapids/Iowa City
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to CID (Denver to Cedar Rapids/Iowa City) ranks #2010 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.5%
- On-time
- +0.5 pts
- vs US avg
- 74 min
- Delay when late
- 6,265
- Flights
- #2010 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Dec 2024 90%
Worst Month
Jul 2025 64%
Distance
692 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 75 | 21 | 1 | 1 | F9,UA,OO |
| Nov 2025 | 97 | 10 | 2 | 0 | OO,UA,F9 |
| Oct 2025 | 102 | 11 | 0 | 0 | OO,UA,F9 |
| Sep 2025 | 98 | 24 | 0 | 0 | UA,OO,F9 |
| Aug 2025 | 102 | 27 | 1 | 1 | OO,F9,UA |
| Jul 2025 | 106 | 38 | 2 | 0 | OO,UA,F9 |
| Jun 2025 | 101 | 31 | 0 | 0 | OO,UA,F9 |
| May 2025 | 98 | 26 | 1 | 0 | OO,UA,F9 |
| Apr 2025 | 71 | 18 | 0 | 0 | F9,UA |
| Mar 2025 | 74 | 12 | 1 | 0 | UA,F9 |
| Feb 2025 | 61 | 14 | 0 | 0 | UA,F9 |
| Jan 2025 | 66 | 18 | 0 | 0 | UA,F9 |
| Dec 2024 | 84 | 8 | 3 | 2 | F9,OO,UA |
| Nov 2024 | 107 | 22 | 2 | 0 | OO,UA,F9 |
| Oct 2024 | 123 | 14 | 1 | 1 | UA,OO,F9 |
| Sep 2024 | 119 | 17 | 0 | 0 | OO,UA,F9 |
| Aug 2024 | 114 | 29 | 0 | 1 | F9,OO,UA |
| Jul 2024 | 104 | 25 | 1 | 0 | F9,UA |
| Jun 2024 | 89 | 25 | 0 | 0 | F9,UA |
| May 2024 | 89 | 24 | 0 | 0 | F9,UA |
| Apr 2024 | 82 | 22 | 0 | 0 | F9,UA |
| Mar 2024 | 79 | 11 | 0 | 0 | F9,UA |
| Feb 2024 | 65 | 17 | 1 | 0 | F9,UA |
| Jan 2024 | 67 | 11 | 5 | 0 | F9,UA |
DEN–CID seasonal on-time pattern
Best: October (87.9%) · weakest: July (67.6%)
Strongest calendar month
October
87.9% on-time · ~109 flights/mo
Busiest calendar month
October
~109 flights/mo avg
Weakest calendar month
July
67.6% on-time · ~92 flights/mo
Cancellation Rate
1.0%
21 of 2,173 flights
Diversion Rate
0.3%
6 of 2,173 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCID - Cedar Rapids/Iowa City
Full on-time, delay-cause, and seasonal performance for Cedar Rapids/Iowa City, IA.
CID on-time profileCompare the two airports
See DEN and CID side by side on delays, cancellations, and reliability.
Compare DEN vs CIDOrigin-hub reliability standing
Mid-pack among DEN departures
From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Cedar Rapids/Iowa City · fleet on-time rank #3340 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–CID.
Routes with a similar on-time rate
What the Data Says About DEN to CID
6,265 tracked flights put the DEN to CID pairing (Denver to Cedar Rapids/Iowa City) at a 79.5% on-time rate, squarely in line with the wider network. Delays that do occur run 74.0 minutes on average. Across the 692-mile route and its 9 carriers, the trailing 24 months show 1.0% cancelled and 0.3% diverted (2,173 flights sampled).
The monthly split is wide on this route: Dec 2024 posted the strongest performance at 90% on-time, while Jul 2025 came in at just 64% - a 26-point swing worth factoring into travel timing.
On the multi-year calendar, DEN–CID peaks in October at 87.9% on-time ; the softest month is July at 67.6%, a 20.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to CID rank among US routes by traffic? ▼
How often are flights delayed from DEN to CID? ▼
What is the cancellation rate for DEN to CID? ▼
How far is the flight from DEN to CID? ▼
When is the best time to fly from DEN to CID? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using DEN–CID data
DEN–CID is mid-pack at 79.5% on-time; month and carrier mix move more than the corridor headline.
- Compare DEN and CID airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, October (87.9% on-time) beats July (67.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.