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

Detroit, MI (DTW) to Grand Rapids, MI (GRR) flight delay odds

72.4% of 1,587 official scheduled DTW-to-GRR flights arrived on time; 21.0% arrived at least 30 minutes late and 0.9% 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
72.4%arrived on time
21.0%30+ min late
0.9%cancelled
1,587scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late14.3%all scheduled flights
120+ minutes late7.1%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+20.9 mincompleted flights

Which departure time was most reliable for DTW to GRR?

Among qualifying DTW-to-GRR departure window results, Late morning had the highest on-time rate: 89.3% of 75 flights. Night was lowest at 62.8% across 156 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning19970.9%20.1%2.0%
Late morning7589.3%5.3%0.0%
Afternoon70974.3%20.0%0.3%
Evening44870.5%23.9%0.7%
Night15662.8%26.3%3.8%

Which weekday was most reliable for DTW to GRR?

Among qualifying DTW-to-GRR weekday results, Saturday had the highest on-time rate: 78.7% of 202 flights. Monday was lowest at 68.1% across 232 flights.

DayFlightsOn time30+ minCancelled
Monday23268.1%24.1%0.9%
Tuesday23368.7%24.0%1.3%
Wednesday23076.1%18.3%0.0%
Thursday23175.8%17.3%0.9%
Friday22771.8%21.1%1.3%
Saturday20278.7%16.8%0.5%
Sunday23268.5%25.0%1.7%

Which airline was most reliable for DTW to GRR?

Among qualifying DTW-to-GRR airline results, Republic Airways had the highest on-time rate: 93.8% of 65 flights. SkyWest Airlines was lowest at 71.9% across 1,506 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,50671.9%21.4%1.0%
Republic Airways6593.8%4.6%0.0%
Delta Air Lines1631.2%50.0%0.0%

Which month was most reliable for DTW to GRR?

Among qualifying DTW-to-GRR month results, September 2025 had the highest on-time rate: 89.8% of 88 flights. December 2025 was lowest at 44.7% across 123 flights.

MonthFlightsOn time30+ minCancelled
July 20259355.9%37.6%1.1%
August 20259381.7%14.0%0.0%
September 20258889.8%8.0%0.0%
October 202518986.2%10.6%0.0%
November 202519279.7%14.6%2.1%
December 202512344.7%43.9%1.6%
January 20269751.5%44.3%0.0%
February 202610368.0%20.4%1.0%
March 202616751.5%37.1%2.4%
April 202613979.9%11.5%1.4%
May 202618683.9%11.8%0.5%
June 202611783.8%11.1%0.0%

What drove DTW to GRR delay minutes?

Airline was the largest recorded DTW-to-GRR delay category, accounting for 68.4% of 42,870 BTS-attributed delay minutes during July 2025–June 2026.

Airline68.4%
Late aircraft0.6%
National airspace10.9%
Weather20.1%
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.