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

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

Historically, 79.2% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,815 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
79.2%arrived on time
12.6%30+ min late
1.4%cancelled
1,815scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.3%all scheduled flights
120+ minutes late2.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.5 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 morning85386.2%7.6%1.4%
Late morning6185.2%9.8%1.6%
Afternoon47472.4%16.5%1.7%
Evening42672.1%18.5%0.9%

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
Monday27779.8%12.3%2.5%
Tuesday23788.2%6.8%2.1%
Wednesday24481.6%11.9%0.0%
Thursday26181.6%10.7%0.0%
Friday27678.6%13.0%1.1%
Saturday25674.6%16.0%2.3%
Sunday26471.2%16.7%1.5%

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 Lines96577.4%14.3%0.9%
American Airlines39488.1%6.3%1.3%
Spirit Airlines29576.6%14.9%3.4%
Envoy Air8779.3%12.6%0.0%
Frontier Airlines6465.6%14.1%1.6%
Republic Airways1070.0%10.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202513681.6%11.8%1.5%
August 202513384.2%12.8%0.0%
September 202512089.2%8.3%0.0%
October 202513690.4%4.4%0.0%
November 202514075.0%14.3%2.1%
December 202516960.9%24.9%2.4%
January 202618265.4%21.4%2.2%
February 202619180.6%11.0%1.6%
March 202622673.5%12.8%3.1%
April 202616285.2%7.4%1.2%
May 202610389.3%6.8%0.0%
June 202611792.3%7.7%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.

Airline45.5%
Late aircraft22.0%
National airspace31.5%
Weather1.0%
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.