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

Detroit, MI (DTW) to Green Bay, WI (GRB) flight delay odds

70.4% of 812 official scheduled DTW-to-GRB flights arrived on time; 20.3% arrived at least 30 minutes late and 2.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
70.4%arrived on time
20.3%30+ min late
2.2%cancelled
812scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.9%all scheduled flights
120+ minutes late7.6%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+18.7 mincompleted flights

Which departure time was most reliable for DTW to GRB?

Among qualifying DTW-to-GRB departure window results, Late morning had the highest on-time rate: 73.4% of 267 flights. Afternoon was lowest at 68.3% across 252 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning26773.4%18.7%3.4%
Afternoon25268.3%19.0%1.6%
Evening29369.6%22.9%1.7%

Which weekday was most reliable for DTW to GRB?

Among qualifying DTW-to-GRB weekday results, Thursday had the highest on-time rate: 81.6% of 114 flights. Friday was lowest at 61.2% across 116 flights.

DayFlightsOn time30+ minCancelled
Monday11963.9%21.0%3.4%
Tuesday11872.0%21.2%1.7%
Wednesday11466.7%23.7%0.9%
Thursday11481.6%10.5%0.9%
Friday11661.2%29.3%2.6%
Saturday11580.9%13.9%1.7%
Sunday11667.2%22.4%4.3%

Which airline was most reliable for DTW to GRB?

Among qualifying DTW-to-GRB airline results, SkyWest Airlines had the highest on-time rate: 71.6% of 626 flights. Delta Air Lines was lowest at 66.7% across 186 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines62671.6%20.6%2.4%
Delta Air Lines18666.7%19.4%1.6%

Which month was most reliable for DTW to GRB?

Among qualifying DTW-to-GRB month results, June 2026 had the highest on-time rate: 91.2% of 68 flights. December 2025 was lowest at 52.2% across 90 flights.

MonthFlightsOn time30+ minCancelled
August 20251566.7%26.7%0.0%
September 20252475.0%16.7%0.0%
October 20258386.7%9.6%0.0%
November 20258872.7%13.6%8.0%
December 20259052.2%33.3%3.3%
January 20268856.8%31.8%0.0%
February 20268174.1%18.5%0.0%
March 20269057.8%28.9%7.8%
April 20269071.1%22.2%0.0%
May 20269376.3%15.1%1.1%
June 20266891.2%5.9%0.0%

What drove DTW to GRB delay minutes?

Airline was the largest recorded DTW-to-GRB delay category, accounting for 68.8% of 21,026 BTS-attributed delay minutes during July 2025–June 2026.

Airline68.8%
Late aircraft4.4%
National airspace8.5%
Weather18.4%
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.