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Route · ITH → DTW · 2020–2025 BTS data

Ithaca/Cortland to Detroit

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ITH to DTW (Ithaca/Cortland to Detroit) ranks #4411 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

91.2%
On-time
+12.2 pts
vs US avg
118 min
Delay when late
1,125
Flights
#4411 of 4927
Corpus placement

Cancelled

0.4%

Best Month

N/A

Worst Month

N/A

Distance

353 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2022 31 2 2 0 9E
Nov 2022 30 1 0 0 9E
Oct 2022 31 0 0 0 9E
Sep 2022 30 2 0 0 OO,9E
Aug 2022 31 6 1 0 OO
Jul 2022 31 2 0 0 OO,9E
Jun 2022 30 4 0 0 9E
May 2022 31 2 0 0 9E
Apr 2022 30 2 0 0 9E
Mar 2022 31 3 0 0 9E
Jan 2022 31 3 0 0 9E
Dec 2021 31 0 0 0 9E
Nov 2021 30 3 0 0 9E
Oct 2021 31 1 0 0 9E
Sep 2021 30 2 0 0 9E
Aug 2021 31 6 0 0 9E
Jul 2021 31 4 0 0 9E
Jun 2021 30 6 0 0 9E
May 2021 31 1 0 0 9E
Apr 2021 30 0 0 0 9E
Mar 2021 31 0 0 0 9E
Jan 2021 31 2 0 0 9E,OO
Dec 2020 31 5 0 0 OO
Nov 2020 30 1 0 0 OO

ITH–DTW seasonal on-time pattern

Best: September (95.6%) · weakest: August (84.9%)

80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 92.5%

Strongest calendar month

September

95.6% on-time · ~30 flights/mo

Busiest calendar month

February

~58 flights/mo avg

Weakest calendar month

August

84.9% on-time · ~31 flights/mo

Cancellation Rate

0.4%

3 of 735 flights

Diversion Rate

0.0%

0 of 735 flights

Explore origin & destination

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

ITH - Ithaca/Cortland

Full on-time, delay-cause, and seasonal performance for Ithaca/Cortland, NY.

ITH 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 ITH and DTW side by side on delays, cancellations, and reliability.

Compare ITH vs DTW

Origin-hub reliability standing

Among ITH's stronger departures

ITH → DTW posts a 91.2% on-time rate, landing in the ≥85% band with 2 of 2 BTS-tracked routes leaving Ithaca/Cortland. The same hub also shows 0 mid-band and 0 challenged departures · fleet-wide on-time rank #81 of 4927 (highest on-time = #1).

What the Data Says About ITH to DTW

Ithaca/Cortland to Detroit (ITH to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 91.2% on-time rate across 1,125 flights, with delays that do happen averaging 118.1 minutes. The corridor runs roughly 353 miles and is served by 4 carriers. Over the most recent 24 months, 3 of 735 flights were cancelled (0.4%) and 0 diverted (0.0%).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, ITH–DTW peaks in September at 95.6% on-time while February carries the heaviest traffic (~58 flights per month) ; the softest month is August at 84.9%, a 10.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ITH to DTW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ITH to DTW ranks #4411 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 ITH to DTW? ▼
Flights from Ithaca/Cortland to Detroit have a 91.2% on-time rate based on 1,125 flights. The average delay is 118.1 minutes.
What is the cancellation rate for ITH to DTW? ▼
Over the last 24 months, 0.4% of flights on this route were cancelled (3 of 735 flights) and 0.0% were diverted.
How far is the flight from ITH to DTW? ▼
The flight distance from Ithaca/Cortland (ITH) to Detroit (DTW) is approximately 353 miles. This route is served by 4 carriers.

Airports on this route

ITH Airport

Ithaca/Cortland
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 ITH–DTW data

ITH–DTW runs 12.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ITH and DTW airport profiles: delay causes and top routes differ even on the same corridor. ITH airport
  • If your dates flex, September (95.6% on-time) beats August (84.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 91.2% 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.