BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AZODTW

Kalamazoo, MI (AZO) to Detroit, MI (DTW) flight delay odds

Historically, 75.5% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 995 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
75.5%arrived on time
18.2%30+ min late
1.7%cancelled
995scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.3%all scheduled flights
120+ minutes late8.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+19.5 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning36681.1%14.8%1.6%
Late morning13278.0%18.2%3.0%
Afternoon23773.8%19.8%1.7%
Evening26067.7%21.5%1.2%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday15170.9%23.2%2.0%
Tuesday14575.2%20.0%0.7%
Wednesday14178.0%15.6%0.7%
Thursday15078.0%14.7%0.7%
Friday14776.9%17.7%1.4%
Saturday11376.1%15.0%6.2%
Sunday14873.6%20.3%1.4%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines99575.5%18.2%1.7%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20258875.0%15.9%1.1%
August 20258772.4%18.4%0.0%
September 20258590.6%5.9%0.0%
October 20258888.6%10.2%0.0%
November 20258477.4%13.1%7.1%
December 20256360.3%33.3%1.6%
January 20267553.3%37.3%4.0%
February 20267061.4%35.7%0.0%
March 20268763.2%25.3%4.6%
April 20267082.9%10.0%2.9%
May 20268781.6%12.6%0.0%
June 202611187.4%10.8%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline80.2%
Late aircraft0.0%
National airspace5.1%
Weather14.7%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.