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Route · CID → DTW · 2020–2025 BTS data

Cedar Rapids/Iowa City to Detroit

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CID to DTW (Cedar Rapids/Iowa City to Detroit) ranks #4146 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.9%
On-time
+7.9 pts
vs US avg
83 min
Delay when late
1,503
Flights
#4146 of 4927
Corpus placement

Cancelled

0.9%

Best Month

Sep 2021 94%

Worst Month

Jun 2021 79%

Distance

430 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2022 31 2 0 0 9E
Aug 2022 31 4 0 1 9E
Jul 2022 34 6 0 0 9E
Jun 2022 56 9 1 0 9E
May 2022 57 9 0 0 9E
Apr 2022 60 12 0 0 9E
Mar 2022 62 8 0 0 9E
Feb 2022 50 3 3 0 9E
Jan 2022 56 6 1 0 9E
Dec 2021 56 4 1 0 9E
Nov 2021 55 5 0 0 9E,OO
Oct 2021 66 9 0 0 9E
Sep 2021 86 5 0 0 9E
Aug 2021 93 16 0 0 9E
Jul 2021 93 15 0 0 9E
Jun 2021 86 18 0 0 9E
May 2021 62 5 0 0 9E
Apr 2021 46 5 0 0 9E
Dec 2020 32 7 0 0 OO
Nov 2020 40 6 0 0 OO
Oct 2020 31 4 0 0 OO
Sep 2020 30 2 0 0 OO
Aug 2020 30 7 0 0 OO
Mar 2020 101 7 6 0 9E,OO

CID–DTW seasonal on-time pattern

Best: September (93.9%) · weakest: June (81.0%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 87.5%

Strongest calendar month

September

93.9% on-time · ~49 flights/mo

Busiest calendar month

March

~82 flights/mo avg

Weakest calendar month

June

81.0% on-time · ~71 flights/mo

Cancellation Rate

0.9%

12 of 1,344 flights

Diversion Rate

0.1%

1 of 1,344 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

CID - Cedar Rapids/Iowa City

Full on-time, delay-cause, and seasonal performance for Cedar Rapids/Iowa City, IA.

CID on-time profile

DTW - Detroit

Full on-time, delay-cause, and seasonal performance for Detroit, MI.

DTW on-time profile

Compare the two airports

See CID and DTW side by side on delays, cancellations, and reliability.

Compare CID vs DTW

Origin-hub reliability standing

Among CID's stronger departures

CID → DTW posts a 86.9% on-time rate, landing in the ≥85% band with 3 of 9 BTS-tracked routes leaving Cedar Rapids/Iowa City. The same hub also shows 6 mid-band and 0 challenged departures · fleet-wide on-time rank #643 of 4927 (highest on-time = #1).

What the Data Says About CID to DTW

Cedar Rapids/Iowa City to Detroit (CID to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.9% on-time rate across 1,503 flights, with delays that do happen averaging 82.6 minutes. The corridor runs roughly 430 miles and is served by 4 carriers. Over the most recent 24 months, 12 of 1,344 flights were cancelled (0.9%) and 1 diverted (0.1%).

The monthly split is wide on this route: Sep 2021 posted the strongest performance at 94% on-time, while Jun 2021 came in at just 79% - a 15-point swing worth factoring into travel timing.

On the multi-year calendar, CID–DTW peaks in September at 93.9% on-time while March carries the heaviest traffic (~82 flights per month) ; the softest month is June at 81.0%, a 12.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does CID to DTW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, CID to DTW ranks #4146 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from CID to DTW? ▼
Flights from Cedar Rapids/Iowa City to Detroit have a 86.9% on-time rate based on 1,503 flights. The average delay is 82.6 minutes. The best recent month was Sep 2021 with 94% on-time.
What is the cancellation rate for CID to DTW? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (12 of 1,344 flights) and 0.1% were diverted.
How far is the flight from CID to DTW? ▼
The flight distance from Cedar Rapids/Iowa City (CID) to Detroit (DTW) is approximately 430 miles. This route is served by 4 carriers.
When is the best time to fly from CID to DTW? ▼
The best recent month for on-time performance was Sep 2021 (94% on-time). The worst was Jun 2021 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

CID Airport

Cedar Rapids/Iowa City
DTW Airport

Detroit
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 CID–DTW data

CID–DTW runs 7.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare CID and DTW airport profiles: delay causes and top routes differ even on the same corridor. CID airport
  • If your dates flex, September (93.9% on-time) beats June (81.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.9% 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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.