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

Miami, FL (MIA) to Detroit, MI (DTW) flight delay odds

Historically, 71.8% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,813 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
71.8%arrived on time
17.6%30+ min late
1.4%cancelled
1,813scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.0%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+13.8 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 morning36988.6%6.8%0.8%
Late morning8367.5%18.1%3.6%
Afternoon57272.6%17.0%1.0%
Evening76964.5%22.6%1.4%

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
Monday27768.2%19.9%2.2%
Tuesday23677.1%12.3%1.3%
Wednesday24279.8%13.6%0.0%
Thursday26173.6%17.6%0.0%
Friday27670.3%17.0%1.1%
Saturday25669.1%19.5%2.3%
Sunday26565.7%22.3%3.0%

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
Delta Air Lines96676.8%14.2%0.9%
American Airlines39467.3%19.8%1.3%
Spirit Airlines29259.6%27.1%3.4%
Envoy Air8782.8%8.0%0.0%
Frontier Airlines6465.6%23.4%3.1%
Republic Airways1060.0%30.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202513769.3%21.9%1.5%
August 202513265.2%22.7%0.0%
September 202512083.3%10.0%0.0%
October 202513683.8%10.3%0.7%
November 202514273.9%16.2%1.4%
December 202516863.1%22.6%2.4%
January 202618171.8%20.4%2.2%
February 202618974.1%14.8%1.6%
March 202622661.5%24.3%3.5%
April 202616173.3%14.9%1.2%
May 202610476.9%12.5%0.0%
June 202611775.2%12.8%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.

Airline41.5%
Late aircraft35.8%
National airspace19.3%
Weather3.2%
Security0.2%
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.