PlainFlights

Route · DTW → ITH · 2020–2025 BTS data

Detroit to Ithaca/Cortland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DTW to ITH (Detroit to Ithaca/Cortland) ranks #4412 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

90.3%
On-time
+11.3 pts
vs US avg
64 min
Delay when late
1,124
Flights
#4412 of 4927
Corpus placement

Cancelled

0.1%

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 4 1 0 9E
Nov 2022 30 2 0 0 9E
Oct 2022 31 1 0 0 9E
Sep 2022 30 2 0 0 OO,9E
Aug 2022 31 8 0 0 OO
Jul 2022 31 0 0 0 OO,9E
Jun 2022 30 4 0 0 9E
May 2022 31 0 0 1 9E
Apr 2022 30 3 0 0 9E
Mar 2022 31 4 0 0 9E
Jan 2022 31 3 0 1 9E
Dec 2021 31 0 0 0 9E
Nov 2021 30 1 0 0 9E
Oct 2021 31 1 0 0 9E
Sep 2021 30 3 0 0 9E
Aug 2021 31 5 0 0 9E
Jul 2021 31 2 0 1 9E
Jun 2021 30 1 0 0 9E
May 2021 31 1 0 0 9E
Apr 2021 30 1 0 0 9E
Mar 2021 31 1 0 0 9E
Jan 2021 31 9 0 0 9E,OO
Dec 2020 31 7 0 0 OO
Nov 2020 30 3 0 0 OO

DTW–ITH seasonal on-time pattern

Best: May (98.4%) · weakest: January (80.2%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 88.2%

Strongest calendar month

May

98.4% on-time · ~31 flights/mo

Busiest calendar month

February

~58 flights/mo avg

Weakest calendar month

January

80.2% on-time · ~42 flights/mo

Cancellation Rate

0.1%

1 of 735 flights

Diversion Rate

0.4%

3 of 735 flights

Explore origin & destination

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

DTW - Detroit

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

DTW on-time profile

ITH - Ithaca/Cortland

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

ITH on-time profile

Compare the two airports

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

Compare DTW vs ITH

Origin-hub reliability standing

Among DTW's stronger departures

DTW → ITH posts a 90.3% on-time rate, landing in the ≥85% band with 34 of 94 BTS-tracked routes leaving Detroit. The same hub also shows 60 mid-band and 0 challenged departures · fleet-wide on-time rank #124 of 4927 (highest on-time = #1).

What the Data Says About DTW to ITH

Detroit to Ithaca/Cortland (DTW to ITH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 90.3% on-time rate across 1,124 flights, with delays that do happen averaging 63.5 minutes. The corridor runs roughly 353 miles and is served by 4 carriers. Over the most recent 24 months, 1 of 735 flights were cancelled (0.1%) and 3 diverted (0.4%).

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, DTW–ITH peaks in May at 98.4% on-time while February carries the heaviest traffic (~58 flights per month) ; the softest month is January at 80.2%, a 18.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DTW to ITH rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DTW to ITH ranks #4412 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 DTW to ITH? ▼
Flights from Detroit to Ithaca/Cortland have a 90.3% on-time rate based on 1,124 flights. The average delay is 63.5 minutes.
What is the cancellation rate for DTW to ITH? ▼
Over the last 24 months, 0.1% of flights on this route were cancelled (1 of 735 flights) and 0.4% were diverted.
How far is the flight from DTW to ITH? ▼
The flight distance from Detroit (DTW) to Ithaca/Cortland (ITH) is approximately 353 miles. This route is served by 4 carriers.

Airports on this route

DTW Airport

Detroit
ITH Airport

Ithaca/Cortland
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 DTW–ITH data

DTW–ITH runs 11.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DTW and ITH airport profiles: delay causes and top routes differ even on the same corridor. DTW airport
  • If your dates flex, May (98.4% on-time) beats January (80.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 90.3% 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.