PlainFlights

Route · AZO → DTW · 2020–2025 BTS data

Kalamazoo to Detroit

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), AZO to DTW (Kalamazoo to Detroit) ranks #2107 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.8%
On-time
+7.8 pts
vs US avg
103 min
Delay when late
5,925
Flights
#2107 of 4927
Corpus placement

Cancelled

1.5%

Best Month

Apr 2025 96%

Worst Month

Dec 2025 62%

Distance

113 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 63 24 1 0 OO
Nov 2025 84 13 6 0 OO
Oct 2025 88 10 0 0 OO
Sep 2025 85 8 0 0 OO
Aug 2025 87 24 0 0 OO
Jul 2025 88 21 1 0 OO
Jun 2025 86 16 0 0 OO
May 2025 87 8 0 0 OO
Apr 2025 85 3 0 0 OO
Mar 2025 88 21 1 0 OO
Feb 2025 78 23 3 0 OO
Jan 2025 84 26 2 0 OO
Dec 2024 79 17 3 0 OO
Nov 2024 84 19 0 0 OO
Oct 2024 88 10 0 0 OO
Sep 2024 80 11 0 0 OO
Aug 2024 83 18 2 0 OO
Jul 2024 85 17 0 0 OO
Jun 2024 84 18 2 0 OO
May 2024 88 15 1 0 OO
Apr 2024 86 6 0 0 OO
Mar 2024 88 5 0 0 OO
Feb 2024 78 4 0 0 OO
Jan 2024 82 23 8 0 9E,OO

AZO–DTW seasonal on-time pattern

Best: April (93.1%) · weakest: January (80.0%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 81%

Strongest calendar month

April

93.1% on-time · ~78 flights/mo

Busiest calendar month

January

~92 flights/mo avg

Weakest calendar month

January

80.0% on-time · ~92 flights/mo

Cancellation Rate

1.5%

30 of 2,008 flights

Diversion Rate

0.0%

0 of 2,008 flights

Explore origin & destination

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

AZO - Kalamazoo

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

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

Compare AZO vs DTW

Origin-hub reliability standing

Among AZO's stronger departures

AZO → DTW posts a 86.8% on-time rate, landing in the ≥85% band with 2 of 2 BTS-tracked routes leaving Kalamazoo. The same hub also shows 0 mid-band and 0 challenged departures · fleet-wide on-time rank #667 of 4927 (highest on-time = #1).

What the Data Says About AZO to DTW

Kalamazoo to Detroit (AZO to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.8% on-time rate across 5,925 flights, with delays that do happen averaging 103.4 minutes. The corridor runs roughly 113 miles and is served by 4 carriers. Over the most recent 24 months, 30 of 2,008 flights were cancelled (1.5%) and 0 diverted (0.0%).

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 96% on-time, while Dec 2025 came in at just 62% - a 35-point swing worth factoring into travel timing.

On the multi-year calendar, AZO–DTW peaks in April at 93.1% on-time while January carries the heaviest traffic (~92 flights per month) ; the softest month is January at 80.0%, a 13.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does AZO to DTW rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, AZO to DTW ranks #2107 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 AZO to DTW? ▼
Flights from Kalamazoo to Detroit have a 86.8% on-time rate based on 5,925 flights. The average delay is 103.4 minutes. The best recent month was Apr 2025 with 96% on-time.
What is the cancellation rate for AZO to DTW? ▼
Over the last 24 months, 1.5% of flights on this route were cancelled (30 of 2,008 flights) and 0.0% were diverted.
How far is the flight from AZO to DTW? ▼
The flight distance from Kalamazoo (AZO) to Detroit (DTW) is approximately 113 miles. This route is served by 4 carriers.
When is the best time to fly from AZO to DTW? ▼
The best recent month for on-time performance was Apr 2025 (96% on-time). The worst was Dec 2025 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

AZO Airport

Kalamazoo
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 AZO–DTW data

AZO–DTW runs 7.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare AZO and DTW airport profiles: delay causes and top routes differ even on the same corridor. AZO airport
  • If your dates flex, April (93.1% on-time) beats January (80.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.8% 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.